It can get worse, its going to get worse. This really is nothing. Still repugnant though.
Again we see the ignorance of people, Onan was struck dead for "spilling his seed" because the punishment for ignoring the law of fathering your dead brother's child is social chastisement and in extreme cases, being kicked out of the community. It wasn't death.
Really could have been done with a little more tact, putting smething like that in a chapel, what? The uni didnt' have anywhere else for them? I find that hard to beleive. The choice of venue was clearly obviously done with intent to offend.