A laptop is meant to be portable, with a significant number of moving parts (keys, hinges, trackpad [until recently],) and ports that see frequent insertions/re

A laptop is meant to be portable, with a significant number of moving parts (keys, hinges, trackpad [until recently],) and ports that see frequent insertions/removals. These factors result in a device that can break down in many, many ways. If one tiny failure results in the entire device being unusable (or requiring replacement of many [working] parts at significant cost,) well, you're going to get complaints. :)