Don't know how familiar you are with Central Park West.However,being a regular visitor to that area and having seriously considered buying a small (very small,to be sure) place there a few years ago I have some knowledge of it.
On Central Park West from 59th St up to at least 92nd St you'll find multi,*multi*,millionaire leftists equaled in Marxist snarkiness only by certain residents of Malibu.
IOW,the board turned him down because of his association with DJT.It's just that simple.
Don’t know area at all, but agree with you. They also might have perceived Scarr as the asshole he obviously is.
And The Beresford in one of the most famous buildings in the City.