I would have thought so as well, but I came to realize a lot of devs don't bother and when they do, some use full renders - which seems totally tone deaf to me. I'd say most professional devs who care about their game space do it. It's little tricks like those that do a lot with a little. And since Perv seems to be doing a lot every episode, this does come in handy. Efficient render use is something that TFTUV has been exceptional in from the start. S1 is about 4GB for 12 episodes, S2 is about 4.5 GB for 9 episodes. Considering how much an episode holds and how many renders are crammed in an episode, it's quite a feat.