I will say they have no problem booting up a VM, and everything he is doing can be done in a VM with hardware accelerated graphics. So Full screened feels just like the real thing, as long as you are not playing modern games. Boot into windows for that.
That being said there are Windows Laptops that will give a Macbook Pro a run for the money, but when it comes to the $1k price range the Macbook Air is hard to beat. I like the ARM chips for basic users, but for a Power user the ARM chips are a step backwards. Unless you want to run ARM based Linux. With my many years of raspberry pi use, ARM has gone a long way on the Linux front. But not sure if i'd want to rock that as my main.
At the same time you can do all these things on Windows as well.... Really more of a personal preference. I have limited experience with Linux for Windows Subsystem 2, but it worked damn well when I used it.