No its not. It serves as a way of putting some context on to what has happened and judging how best / long / harshly to punish him. Simply shouting life ban him is not a rationale response, its the response of the emotionally retarded.
The principle reasons for bans are to teach a player not to do what they were doing and to protect other players from their bad behaviour.. either via the deterrent/teaching/rehabilitation method OR via simply not allowing said player near potential future victims. He has been banned over, and over, and over and over again and he still has not learnt his lesson, he is not rehabilitated.
Please go ahead and suggest how many attacks on other footballers is deemed the limit before you stop him being able to attack other footballers by not letting him play football?
What is it, 3 broken legs, 5 attempts to injure and 7 bites... exactly how many is the magical number that makes it sensible to prevent him being in the situation to hurt other people?
If his next leg breaking tackle happens 6 months from now, would you like to be that player, that knows Suarez's full history, knew he would assault someone on the pitch again and knew that Fifa knew all this and didn't protect you by banning him?
Again, simple question how much is enough before you put other prioritise other players safety before a lunatic? How many attacks, leg breaking challenges and stamps when you say enough is enough?
I've yet to see a sensible answer from the Suarez apologists, because your posts seem to suggest that as long as it's only a bite, he should be allowed to indefinitely go on biting other people.....
Which is odd as no where else, in no business, no company and surprisingly not in the law anywhere does it say, as long as it's only a bite you can attack as many people as you want.