They think they won't find out because they know that their flock is usually ignorant and will continue to give them money.
Ask Paul Crouch or Jimmy Swaggart. I think its pretty funny, usually guys like this are completely in the closet and covering by pretending to be something else.
Another reason I don't give to charlatans.
It's shocking, but then it's not I suppose - I feel sorry for the families and people who believed in his words & leadership - it's a bitter pill for all of them - and maybe a wake up call.