I didn't say the challenges would be the same.. You just indicated they were worthwhile for anyone who believes the anthropic principle is why they haven't seen a world with no nuclear treaties decades later.
This is relative to something like every nation owning nuclear weapons by 1960 and civil wars usually beginning with a nuclear strike by a standing government.
Huh? Bad innovation ideas is an entire market that creates secondary markets. When the outcome is larger than an article in science direct and can only be described as inevitable then there is a conglomerate with some weak decision makers.
Uber doesn't buy its own cars because it isn't profitable given the depreciation and originally the higher risk of getting someone declared an employee. If they are choosing a car and losing money on it they are an entrepreneur. (Also Tesla doesn't want you to rent your car as that reduces their market so they want to sell another one in a fleet.)