That sounds nice, but who is going to decide exactly which behaviors to reward and by how much?
To avoid grift and corruption, we should probably have everyone vote on it in some kind of democratic process, right? Well that's basically what we have today with municipal elections, and looks like the consensus is we actually don't want to pay teachers all that much.
I don't think i have the choice of changing the world with a hn comment.
Which people were happy? Nobody hates communism more than Eastern Europeans. I don't know a single elderly (i.e. lived through communism) person in my country who doesn't hate communism. I think you have a rose tinted view of how communism worked out on Europe.
I don't want to romantesize it though.