Not sure I understand your argument. Sounds like you think it's all a bit of fun? If so I won't bother trying to reason with you as it's obviously a waste of time.
So if nobody got stabbed or killed then just let people get on with it. I presume you've never been with your kids or old parents when things have kicked off - it's not nice.
And please don't try fobbing this off as a political protest. Football thuggery has been around through bad times and...