There could be ten different civilizations in a radius of 100 light years of us with the same technological level we had 200 years ago and we wouldn't know.
The meaning of that phrase is "don't assume things without evidence". We have plentiful evidence that life should be common in the Universe - of which not the least reason is that the Universe is believed to be infinite, meaning there are countless galaxies out there nearly exactly like out own, with planets exactly like our own.
That's a straight lie. ML will quickly ban you for pointing out Russian astroturfing and Russian propaganda, but they barely give a shit about anything else.
Depends on whether the person saying it is a fellow leftie or a rightwinger brainlet. To the first, it's what you described - an anti-Marxist communist. To the second group, anyone left of Nixon.
Quite easily, yes. Unlike humans, with their limited lifespans and slow minds, Artificial Inteligence could create hundreds of different paintings in the time it'd take me to finish one.
There could be ten different civilizations in a radius of 100 light years of us with the same technological level we had 200 years ago and we wouldn't know.