Do you think there's a reason for that? Maybe a direct one? That it's a bad language for example? Why would it need to be anything more complicated than that.
So I don't think your guess is accurate. It's simply a bad language on its own. No need to compare it to anything. And I don't think anyone can deny that, no one will honestly say that "php is a good language". You can say it has some good features, or that it's good for certain tasks, or perhaps that it's better.. but that's all.
(To be honest, I like IKEA, and I don't think it suck)
Ikea sucks. Quite a bit of the furniture is just painted cardboard, the quality is absolutely horrible. It looks ok but 'under the hood' it is terrible. It is throwaway furniture, the very opposite of sustainable.
They do "regular" furniture as well, not sure about its quality though.
It isn't because moving implies taking stuff apart and putting it back together again. As you'll find after your move screws won't catch any more, some of your furniture will have been compressed (holes in table surfaces? WTF?, yes this actually happened to me less than 3 months ago). Surface finish is 1/10th of a mm so it'll scratch super easy.
That's their 'regular' furniture, I'm not sure if they have anything better either. Ikea put a whole raft of companies out of business with cheap and good stuff, once they achieved market dominance they dropped the quality they are selling to something horrific.
I have an ikea bed and rack that is made from wood. Lots of their furniture is regular wood. The cheap ones usually untreated.
https://en.wikipedia.org/wiki/Splitting_%28psychology%29