There are nuclear weapons in China Iran Korea and Pakistan. It wouldn't take much to send a couple of warheads off on this planet somewhere that would cause a lot of environmental damage then if you have got someone who wants to retaliate you have real problems.
It's impossible I think however much I'd become disillusioned politically or evolve into a post-political person I don't think I'd ever change my view that socialism is the best political moment humans have ever come up with.
