I wasn’t trying to troll, I think those are legitimate comments. First one was questioning style and fashion norms, this one is questioning why spinlocks are necessary on a user developer friendly OS.
Ok, but such comments need to be more substantive. The burden is on the commenter to disambiguate them from trolling, since intention alone is insufficient.
Since Windows has spinlocks too (for judicious use in driver code) does that make it non-user-friendly too? Or am I missing the point you're making?
What OS doesn't have spinlocks?
An OS which targets uniprocessor systems. MS-DOS for example.