Do The Right Thing

My ex's tax info was mistakingly sent to my parent's address a few weeks back. Blame it on the bank, who has had a minor issue when it came to the address change and which accounts it would affect. I won't lie, I debated shredding it many times but ultimately sent it to the fool. If the tables were turned, would he do the same thing? I don't think so. He's just a control freak who's bitter that I've remained friends with a couple people in his life.