Past criminal behavior is routinely admitted as evidence in court.
It's not proof, but it is evidence.
You're refusing to see this, by the way. You're capable of understanding what I said without me saying it.
Is criminal activity as a minor used as evidence in Adult trials? I feel like that should hold less water
This isn't a court, and it isn't criminal behavior. If it was a court and it was criminal behavior, we'd expect innocent until proven guilty and the benefit of the doubt. Which no one is giving Hans.