Yeah to be fair if you do all the homework with LaTeX there’s no reason not to set up your machine.
I’ve even heard of someone who even used it to take notes in class… Honestly I wouldn’t dare to try and learn that!
But yes, that’s when the macros and possibilities you don’t have on overleaf becomes really good to have.
Probably because unlike paying for the service, we don’t feel how it takes our money from us.
A psychological trick that works so great that it made a lot of services exist in the first place like the whole of YouTube. And now we’re kinda addicted to those too.