He blocked you because you responded poorly to being called out for what you did, you can't force them to like you. Tagging him in your comments to get around the block is considered block evading, and you may be banned if people see what you are doing.
Are you actually using Bill Cosby as an excuse? I'm not playing your game, if he has another opinion on the case, you don't have to believe him, but you just can't respect other opinions, can you?
I can't control what he says, but don't run to me because he hurt your feelings. Don't try to start something again.