Theoretically and practically. We have evidence for this throughout the last 130 years.

it sure is great that the USSR treated ukraine with respect aye… that holodomor sure is a lark

revolution remains the sole path to end the bloodshed

we are living in the most peaceful time in human history… a world with humans just isn’t going to be a utopia - we aren’t that good

Cuba today has much better LGBTQ rights than anywhere else in the world

but you’ve pulled 1 example out of many, many counter examples