This time there 2 big factors that were not there in '12.

1. 'office' cloud services - now you just need a browser for majority of docs/sheet/slides tasks

2. gaming - while it was possible back, but it was really hit or miss with a game. Nowadays vast majority of games work on Linux out of the box.

Yeah, fair! Same sentiment about Microsoft now as then, but fewer real blockers on the Linux side.