I'll bite
Who knows? He might well have changed and be thoroughly ashamed of his former self. I've known a few people who used to be really, vilely racist and genuinely learned not to be. Perhaps prison gave him a kick up the arse and it's a problem that no one else can get past it.
Do people want to hound those who once did something terrible forever, even when they've paid a price and show remorse?
Oh and whoever it was who slagged him off for being fat - that wasn't your finest moment, really, was it?