He covered up Sandusky, in order to win more games, he was obsessed with being the all-time winningest coach, and we saw what lengths he would go to to get that record.
The thing is, had he nipped it in the bud, and turned in Sandusky when he first found out, he would have been looked upon as a hero, and he might have gone on to even greater heights.
It really is about the cover-up since 1998 and the NCAA took Paterno’s wins away back to the first incident.