After seeing videos and reading martywolfman's post, I think I figured it out. It might have been too tight because it was not loose at all when it arrived and seemed exceptionally stiff and I probably just did not know my own strength in that instant. I guess I was just too excited.
The corners also may have broken after the puzzle fell apart. I didn't notice it was broken until I tried to put it back together. Maybe I accidentally stepped on the corners or something? Who knows. Now thay I've slept on it, I'm just going to accept full responsibility for what happened after I was able to calmly recall the events. It probably was my fault, i was wearing shoes at the time
I should have learned with my 3x3x4 by C4U when I got it and the top and bottom layers locked up so bad they wouldn't turn at all and the slightest push popped the puzzle, but I fixed that when I noticed the capsfor the pieces in the innermost layer weren't pushed in all the way. Now that puzzle is the best turning puzzle I have from just pushing the caps all the way in.
Lesson learned: I guess I have to inspect the puzzle's internals and tensions before I try to turn anything if the puzzle is even hinting that it's having some trouble. And don't play with temperamental puzzles in shoes!
I won't right now, but in the future I'll probably end up replacing the puzzle. I actually feel better admitting my idioacy than thinking I got burned. In the least, I exercised my full right as the owner to be the one who broke it.