At least the majority of the time he was on the field, he was allowed to play to his strengths by playing in the box.
He can't cover anyone and he's a huge liability against the pass.
They tried to trade him, but couldn't
Just speculation, someone on the new coaching staff doesn't like him. The news stories of him stealing his own truck and his dog biting Clowney certainly didn't help either
He's good enough to be on the team, so there has gotta be something else going on.