Once a colleague seeing me work looked at my screen, lifted his head and pointed to my colleague saying "Have you seen how this guy work, he's a maniac!".
Mastering the tool you have always brings speed and smoothness into your process, one step at a time.
So no. The MacOS you use is not Unix.
It's just that mishmash of OSFMK (with BSD APIs of 1991 or so) with random additions of newer APIs does not necessarily make it a great Unix to work with in 2026