Stefan is a lawyer first and a City fan second, which is why he's a credible voice.
Yes, it's nice to see the PL and the ragtops squirm as their confidence drains away but that is incidental to the facts. The facts are as
@slbsn explained. In the big picture, this judgement doesn't mean too much for the future as the rules will be tweaked to comply. That's the correct position for a legal person to take imo, he's not a cheerleader.
The really interesting part here to me is that it has been legally established that the PL broke its own rules in how it dealt with City.