But I was talking about quality: how does one compare two laptops costing respectively 400$ and 800$? It regularly happens to me that friends ask help choosing a laptop. Sometimes they blindly trust me when I say "in your situation, I would buy that". Often though, they're more like "okay but you like computers so of course you would want a 'rolls-royce', but for me I think the cheaper one will be enough". Where actually my opinion was that both are not good enough for me, but the cheaper one is a piece of crap for everybody and the less cheap one is good enough for this particular friend.
The thing is, I can't blame them for not knowing how to compare two laptops. And the one thing they understand is price: they see two laptops that look similar, and one of them is half the price. The assume similar quality and therefore go for the cheaper.
Again, it's not that they don't care about quality, it's that they fail to estimate it.