Only if you can know he didn't actually go in. Even now, do you believe he never liked at a single private file?
I was a kid, I was stupid, but I wasn't an asshole. I didn't go peeking and violating people's privacy because that would have been a dick move. Just like tons of people on Hacker News today have access to personal data on SaaS systems we maintain and don't go peeking. Just like tons of people are perfectly capable of picking their neighbor's locks but don't walk into their house for no reason. It's not even tempting. I don't care what's in my neighbor's house, and I don't care what's in random other students' homework documents or email or whatever. The only interesting part was breaking the security.