Having been a member of a yacht club here in SE Wisconsin for 6 years, I witnessed first hand the attitudes of the Yacht club bunch...
It was not appreciated when we sailed up to the dock, tied up for an hour and grabbed a beer and a burger at the bar. Nobody complained when it was a 30-foot power boat doing the same thing. Oh yeah, they buy lots 'o gas.
Cats are a focal point of ridicule to many monohull racers, especially with the rockstar crowd. "Dude, why dont you get a real boat!", "Yeah whatever, go play on the beach!" or "You could have bought a j/24 for that kind of cash!". Point is, I have a cat becasue I want a cat, It provides thrills that you just cant get on a monohull.
Snobbery plays a role, too. But hey, you dont join a yacht club if you are broke. You want your wine and cheese served in the aft salon, fine. I prefer ham and cheese on the beach between races.
I got bored with the garbage. Tired of being told cats were a stupid waste of fiberglass and resin. I quit and started my own program with my own boat. I sail with people now who have common interests and an appreciation of the fun that catsailing brings.