Yes, (This is just a joke, an exaggeration). You could do that, but it reduces the resolution of the video. You could use an open-source video editor, like the one I use.(Shotcut, on a linux machine.) It doesn't have any kind of watermark.
Every third speech bubble has to do with boba tea.
Make a bunch of cringey OCs with barely any clothes.
Use poor grammar and horrible logic.
Have 300 watermarks.
Most of the props are cookies or flip-flops.
Have no sound(If you can voice-act, then at least have music!)
Have a cringey intro. HOW TO MAKE A GCMM: