Any distro that phones home with a unique identifier is a distro I won't touch with a ten foot pole. I don't care what they claim they will or won't use that identifier for.
Maxims that act on the symptom rather than the problem rarely help in the end, as the problem just evolves to support its needs through other means. For example, sending a unique identifier is not the problem. Tracking people through a unique identifier is. So, depending on your goals, you can design a unique identifier system that does not allow tracking (or at least makes the tracking period so small as to be unuse…
Taking a strong stand against tracking and, therefore, in favor of privacy is perfectly reasonable for people who use Linux in part due to our hatred of the deep tracking closed-source OSes do.