The league would have to prove this in court with evidence, not just state it as a fact — and it's not clear at all that watching a couple of tweeted highlight GIFs is going to make substantial numbers of people refuse to pay money to watch an NFL game. (fortune.com)
At the same time, it's clear that someone who is familiar with this guy better than everyone of us on here knew better than to judge him based on a couple of tweets and was willing to put his hard earned reputation on the line for him. (sbnation.com)