Comment by pjmlp

> To the Unix purist, this might appear wasteful and unnecessary, but macOS isn’t, and never has been, Unix. It’s a closed-source proprietary operating system designed for use by millions of consumers and regular users.

Not only it is a certified UNIX, regardless of the yes and buts being discussed in other threads already, the complaint would apply to all commercial UNIXes, some of them still around not yet killed by Linux.