I really don't think it was lose your job behaviour. Nothing threatening just a bit drunk, wanting a selfie and pushing personal boundaries too far. No threats, no violence
Public embarrasment should be enough. They didn't really do anything that deserves such a life changing punishment
The press framing the pair as "Yobs" hasn't helped either, that has totally different connotations to what was actually in that video
One for the unpopular opinions topic I guess