I don't understand Apple's obsession with thin devices. What's the point in making something so thin that it detracts from their primary function ? Ipad Pros th

I don't understand Apple's obsession with thin devices. What's the point in making something so thin that it detracts from their primary function ? Ipad Pros that bend, Macs with problematic keyboards and overheating... Please, stop. Make things functional first, thin if possible, not the other way around.