Rude ass motherfuckers. There are nicer ways of wording what they had said, so here it goes:

"Glitchy"
Basically, they mean at the parts where the song repeats a word, and you hop it back. That doesn't exactly look the best, maybe instead of hopping it back in an instant fashion, it could slow down, speed up, slow down, speed up, or something like that?

"Choppy"
They mean either "Glitchy" or the FPS drops occasionally. A few times the FPS seemed to lower, just enough to be slightly noticed. It isn't to huge of a problem, but is worth taking into consideration.

"Cheesecakey"
I've got no fucking idea. Maybe they mean it's unoriginal, or something like that? This one didn't make sense too me either Mocucha, and I do know that English isn't your first language, so some of these stupid fucking words might not make entire sense.

My personal CNC would be too relax on the hopping back and forth. Not saying entirely remove it, but try and make it a little bit smoother. The overlay isn't exactly the best, grade A overlay, but it's definitely not as bad as people say. Maybe reduce the brightness, opacity, etc. Being honest, this isn't your best work. But that's why it is a wip, after all. I do think this will work out.

Also, you have subscribers because you have tutorial videos, and do edits for people. It's that simple TyZi.

Hope this helped man, I really appreciate all the work you do, and am not exactly pleased with the way people are treating you over an edit that just isn't your best.