"Good" Christians will always come up with some kind of crap to justify their particular brand of hypocrisy.  It's been going on for just about as long as Christianity.  It used to be that this kind of crap would never see the light of day especially 30+ years after the fact.  Two things come to mind here--1) it is currently "popular" to make allegations of sexual impropriety (i.e. Weinstein/Cosby/Spacey--curiously though not Trump) and 2) this particular person is repugnant to enough people that any pecadillo becomes exacerbated.