Computer systems have gotten much more complicated. The closest you can get to the "full stack" ideal is probably Microsoft, and even they've given up on mainta

Computer systems have gotten much more complicated. The closest you can get to the "full stack" ideal is probably Microsoft, and even they've given up on maintaining a web browser. Full-stack worked for a while, but nowadays you'd need to be a goliath. You can't even pay for all the components you use, since many parts of today's critical infrastructure are community projects with no corporate backing.