Dude's obsessed, he's spending that much of his free time doing this - if he thinks he's trolling he's doing a shit job at it. Trolling isn't supposed to be that time consuming, seems like he's on the profile page responding to everything he sees. Who needs E-Harmony when you have WrestlingForum, how sweet.
If you're a pussy online, you're a pussy IRL. He probably holds his rage inside, letting it boil and fester. That way he can take it out on anonymous strangers on the internet who can never hurt him, thus placating the beast within.