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Politics is irreducible from human affairs, privatization doesn't eliminate politics. It relocates it to a different set of actors. That could be a better set, but when it is it's because it's a more local and hands on group of people, not because those people happen not to work for the government. Governments are awkward because they are deep bureaucracies, and deep bureaucracies divorce the decision makers from the impact of their decisions. Weaker feedback leads to worse decision making. Not because there is a magic property of government that makes it uniquely bad. Large corporations, universities, and other deep non-governmental bureaucracies have similar pathologies.
That's something of an exaggeration, they are empowered to do violence and collect taxes and other things that are more problematic when abused, but still, privatization isn't a silver bullet.
We ideologically privatised the water sector into regional private monopolies in the UK, and anyone who's had experience with the water monopolies knows this is the truth.
Almost like private investment generates return for investors, not customers. Sometimes those align.
Whenever a person or group has power over another person or group, politics necessarily exists. I don't think this fact can be avoided, as much as advocates of privatisation often argue that it can be.
It's definitely an exaggeration to say that all science on a shoestring budget has already been accomplished, there are new frontiers out there. But once they start gaining momentum, the low hanging fruit will be consumed in due course. Methodically searching a domain works and works from the most tractable end up until it is at the frontier of what is tractable given our current technology/constraints.
I don't really understand the alternative hypothesis. That there's an infinite amount of low hanging fruit? What's this 100% failure rate?
Perhaps this will help: Indeed high energy physics is a very high budget project! But there are many areas of the natural sciences which are not high energy physics. This area has been a big deal over the past few decades, and I wonder if it's an over-commitment at the expense of other areas.
You can do many molecular bio lab techniques with a budget of $10k in equipment and reagents, for example. (If used/entry level) I believe there are also many areas in science, chem, and bio which can be done on a theoretical level, or with computers, etc.
Another angle: We are in the earliest steps of neuroscience. Many biology tools and techniques are borrowing something serendipitous we found in nature (CRISPR, TAQ polymerase etc, leveraging living cells' equipment to produce proteins etc). We have no concept of a general chemistry simulator. Molecular dynamics simulations can only work on very small systems for very small timescales, and are based on many approximations, and assumptions which provincialize them. We are very likely missing a big picture of the lower levels of GR/QM. It is very hard for me to agree with "Yep we're good; nothing left to discover here without really expensive equipment!".
I would point out that that's on the back of a huge amount of research funded by grants and performed in national labs, but it doesn't impact your argument.
Higgs didn't use the LHC to write the paper which won him the Nobel prize.
Additionally, I think it's worth considering that the availability of the money that built the LHC alleviates the drive to find different solutions.
As they say, "necessity is the mother of invention." I frequently think of the great pyramids and people being baffled on how they would build something of that scale without modern equipment. It's hard to get your mind to come up with novel ideas when it already knows that you'd use cranes, trucks, etc. to do it today.
When younger I've had job in grocery stores and saw petty politics.
There's nothing particular to being subsidized or not: politics is something humans do, and the pettiness is simply a reflection of the people involved.
I think it's just limited resources + the single most natural way for humans to compete for limited resources. This isn't actually an inevitable outcome - just the most likely one.
The "self-funding" regime requires people who are both rich enough to afford to fund science and sharp and driven enough to advance science to exist. That's a high bar. And while there is some correlation between intelligence and wealth, the tails come apart hard. People driven to pursuit wealth above all may not be driven to pursue scientific discovery.
We have plenty of billionaires, and preciously few of them actively pursue pushing the frontiers of science and technology. Even by funding the endeavors - let alone by being in the trenches themselves.
Your US-blend of anti-state brainwashing is showing. There is nothing inherently different in the for-profit status of an organization that prevents the occurrence of "exploitive petty politics". You see those from any organization from homeowners organization to full blown FANGs. I mean, have you ever paid attention to the crap being pushed by the likes of Tesla/SpaceX/Twitter?