I suppose it is down to what they understand as violence. here is an extract from the gov site. answers some questions others were asking as well
There are 2 ways you can be given an FBO:
- the police can apply to a sheriff court
- if you're convicted of a football-related offence, a court can give you an FBO instead of – or in addition to – a sentence for the offence
An FBO can only be issued if the offence involved violence and/or disorder.
A football-related offence is a criminal offence that:
- is connected to a football match
- is committed in any location, including travelling to and from a football match
- happens within a period relevant to a football match
How long FBOs last for
FBOs can last up to 10 years. The length of the ban should reflect the seriousness of the offence.
What getting an FBO means
Getting an FBO means you'll be banned from every football ground in the UK.
You'll also be banned from the national team's matches, even ones played abroad.
You may also have to hand your passport into a police station when your team plays abroad. You'll have to report at a police station on the day the game is played.
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just noticed its a Scotland gov but pretty sure legislation is the same in England and wales