Everyone's always talking about how shoddy it is and how your cabinets will disintegrate if they go through any kind of stress, but all my cheap-ass furniture with a piece or two missing is still going strong after nearly a decade a use. Maybe I'm just lucky and it really is all crap, but I can't shake the feeling that the reason people shit on Ikea is because it's inexpensive.
If you want good used furniture for dirt cheap, online estate auctions are the way to go. Especially with covid. If it feels somehow morbid to hope for a lot of good estate auctions, just look at a few and count up the racist figurines and tchotchkes