“Also, can we just go ahead and genetically engineer all the undesirable traits out of everyone? Who gets to decide the undesirable traits? Always fun to throw out questions like this.”
Indeed, some speculative or science-fiction touches these concepts, but the classic has to be Brave New World.
I do not doubt for a second that police states will, once practical, do any number of the things you mention. As far as the west goes, the UK is the forerunner.
First they came for those with the stinky fart gene, and I didn’t speak out, because really...
When they came for the genes of people who take two parking spaces in a crowded lot, I did not speak out, because those guys are jerks.
When they came for the genes of bad bowlers, I did not speak out, because my buddy was dragging down the team average.
When they came for me, there was no one left to speak out, because they were all pissed that I parodied Pastor Martin Niemöller.