thank you so much for this context!

Do they not want to go to male prison because they are MtF? You’re leaving out a ton of important detail here.

correct, but now you’ve just identified two separate types of tearing, both happening at different times. put them together and the perceived frequency will be significantly worse than it was prior.

being able to zero one of those out and only worry about the other means you can hopefully optimize a better solution - as much as one can when you can’t realistically atomically update the entire display from top to bottom.