Of course, though it's also the way of preseting something.
"unlike Y, X does this and this and that" without even bothering to check that actually Y does all the same says a lot about the person writing it. It's also poor form.
Saying "X is an alternative to Y that's also friendlier for people used to a different system" is ok.
I've used Macs for many years, never looked back but there are still plenty of things that irk me .... mainly how alt-tab-ing between open applications doesn't also go through instances of the same application.