Maybe like a dozen? Assuming that those dozen care.
If you think RWZs were happening before you weren't paying attention, and once they add 4v4 ranked queues it would be a completely dead system. Removing them at this point is housecleaning.
Agreed, and I'm someone who does RWZs pretty regularly. I think an extremely tiny minority of people who do these - which, because of the obstacles Alex wrote about, is already an extremely tiny minority in itself - would prefer their current state over TDM arenas.