Earlier quoted context omitted.
I visit the local garbage drop off a couple of times per year and the amount of Ikea stuff that gets dumped there is depressing. If you actually read the comment above you'd see that I do buy stuff second hand.
The fraction of IKEA furniture thrown away would be likely to match the fraction being IKEA in homes. That is, significant. A problem with the IKEA stuff is that it’s a) cheap, so little monetary value in that old table you don’t need any more - even if it’s still in perfect condition and b) A prospective buyer can buy a new one (still cheap) and the new one is trivial to transport home compared to the used one that…
They keep lowering prices and people think their products are cheap and poorly made.
In reality the quality is comparable to furniture 2-3 times the price.