The fact is that we could use our money on something real, something tangible like saving earth instead of war machines and false promises while the gini coeffecient goes crazy and public education fails.
And i mean this is not just a perspective i've got from researching economics, but from having lots of family in academic science - i've seen how much is about grant money, towing the line and about furthering some state or corporate cause sadly.
This has been explained repeatedly for decades.
There will be more humans on Mars in 100 years, if we skip sending the humans now and develop the technology to automate process first.
maybe someone can find Weinberg’s detailed explanation for others to read.
https://www.space.com/4357-nobel-laureate-disses-nasa-manned...
We can't do that anytime soon. We can't even reliably automate most manual labor jobs right now. We can do some neat stuff with robots, but we always need humans supervising them and ready to step in and reset things because the reliability is poor.