Full agree. In the great scheme of things, making environments safe for human levels of tolerance is extremely wasteful. You need the right atmosphere, tempera

Full agree. In the great scheme of things, making environments safe for human levels of tolerance is extremely wasteful. You need the right atmosphere, temperature, radiation freedom, freedom of toxic materials (and guess what, many chemical processes create tons of them), noise freedom, etc. This causes huge costs already now because industrial processes need to be engineered in ways to reduce emissions, it makes nuclear energy unavailable, people not wanting to live near airports, etc. Even gravity is an extremely wasteful thing. In order to have it, you need a giant planet full of precious construction material for dyson spheres, anything->iron fusion/fission reactors and hawking radiation matter->energy converters, all unavailable because some individuals chose to colonize the surface of it... The optimal approach for intelligent life is to architect computers that can run in the vacuum of space with minimal shielding and then deploy them across the galaxy to convert the available energy into intelligent thoughts and experiences. What the computers will run is up to us.