I've migrated tables to more compact formats. Inefficient storage is the sort of of thing that works fine for a lot of things, right up to the point where you'r

I've migrated tables to more compact formats. Inefficient storage is the sort of of thing that works fine for a lot of things, right up to the point where you're running out of disk space or memory and it's no longer fine. I'm not against UUIDs nor saying you should optimize everything, I'm just saying you should think about things, and that thinking about things really isn't that time-consuming or that much effort.