Similar to that, yeah, although I think the master/slave thing started earlier. (It’s a bit more blatant, tbf.)
I agree that allowlist doesn’t roll off the tongue quite as nicely, but as long as it makes it obvious what the word means, I’ll go with it.
It’s definitely still chugging along, although I will point out that the sub numbers now include not only modern WoW players but also Classic players. If the 7 million number is accurate, that’s 7 million across all WoW versions, not just modern WoW.