It's Not Just Shein: Why Are ALL Your Clothes Worse Now? (youtube.com)
Everything affordable and just a little s****r than you want it to be. The loose threads, 100% synthetic fabric, fabric doesn't feel nice.

Nothing fits properly, and clothes don't last.

Seems normal if everything is bought online, not tested before buying in a store. And if they're from just wherever, and not from a brand (store).