Dell and their like, obviously, aren't at the for-front of laptop design. They are still using plastic and calling Carbon fiber a "premium" laptop material (it isn't). They are using second rate network adapters. They are using second rate SSDs which have terrible write speeds. Windows trackpads arent any better than they were 10 years ago.
To top it all off? You'll need to do a whole damn Windows reinstall to get rid of the tons of bloatware they pack in.