I really don't recall it going down that way. (I'll admit my memory can be crap.)
I called the "RTV or Custom map vote?" vote, and I recall custom winning by a landslide. (It normally does.)
Is this part of the vote I screwed up and had to recall? I know it was a bit of a mess on my part but I'm the one who asked for the custom vote option, because
I hated changing the map without a vote because I knew it chased people away!!
So again, I really don't recall it as you do.
Anyway, all I can say is I wont change the map without a vote! I can't speak for other admins though.