Maybe they are going into a better paying industry.
Or maybe they are running away from an industry that considers jokes like that acceptable.
Anecdotal evidence: all the dells I've used (7-8) never needed a repair in the first year. When they did break it was stuff like the clips to hold the media bay stuff in. My niece's MacBook? Less than 6 months before the hard drive burned out.
Those who do not understand Unix are condemned to reinvent it, poorly. -- Henry Spencer