If you really value freedom over everything else, I don’t see value in putting bad bandages over closed platforms. Might as well just switch to an open one.
No. Barriers have tradeoffs beyond simply safety. Safety is often possible without these barriers. False dichotomy.
I seriously doubt that's the reason, compared to Linux not being the default and Microsoft having spent years sabotaging it.
MS Office is available for Linux and Linux is an option on Azure. Even some new games from the Xbox division are officially sanctioned to run on Linux.
There is no longer a good reason to stay in a walled garden for your personal machine. The author should just make the switch if staying in the Apple ecosystem, or any other closed system, makes him really unhappy