I think it mostly occurred when a bunch of homos in the early 70s gradually started to take over positions on the association's board of trustees until they had enough to hold sway.
The same thing has been occurring with the legal profession. Homosexual lawyers became homosexual judges and thanks to the idiocy/treason of Democrats, we have more homosexual judges in pivotal positions. Big surprise the Judge Walker found Proposition 8 unconstitutional - but of course, being a homosexual had nothing to do with his decision, right?