Agreed, most people don't do much more than open "Edge" and "Outlook", some people Use "Word", a few people use "Excel" because "Word" doesn't do tables very well. The point being two-fold:

1. The argument that a Linux desktop won't fly because people do so damn many things that a Linux desktop just can't do is false. 2. Windows and Mac really push you hard into a single style of interacting with your computer.