I agree that "either" is more specific. And I don't mind being reminded of it.
Otoh "any" is defined as ∃ x and every definition I found explicitely specified that cardinality is irrelevant. Either then is a subset of any, not a separate category.
So imho this isn't a mistake and you're way more unconditional than you should.
PS: as long that everyone remains sufficiently mutually understandable we should adopt a descriptivist attitude towards languages instead of a prescriptivist one.
PPS: Don't get me started on language as a class marker. This is a threat. c:
I imagine he’ll go on and start dropping hard r’s and quoting mein kampf and when the daily show wants to beep it out he’ll throw a fit and send lawyers to block its release.
I assume they'll have to edit for length regardless - so I imagine they're planning to make the unedited clip available online, like they've done with their other extended interviews. Lot less restrictions on what can air that way, too.