Perhaps in a perverse way, he managed to show people just how nasty and evil gay-hating can be, and probably made folk wake up to the fact, and perhaps feel impelled to defend gays from such wicked attack. And all that rubbish at funerals, disrupting the mourners, and forcing the enactment of a Law to prevent this. Evil personified.
Isn't it weird that such men are called 'Reverend'? Like the 'Reverend' Ian Paisley. I can't imagine anything less reverend. I know one shouldn't judge a man by his physical appearance, but his face on the photos is truly sinister. Well, he has to face his Maker now.