What matters is if did in fact commit any crimes.
No, what really matter is your point of view here.
What matters is weither you prefer to hold your judgment about allegations of crimes and potentially stand in defense with the alleged abuser or if you prefer to believe the victims no matter what.
In this experience of thought I presented to you, it would be the difference between believing the group of women accusing your best friend of rape or defending your best friend.
Your choice. But neutrality isn't an option. Neutrality has consequences.