I dunno man, this is just what one search gets me:
Wyświetl załącznik 8054460Wyświetl załącznik 8054461Wyświetl załącznik 8054462Wyświetl załącznik 8054464
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These gamer / streamer events are notoriously badly organised. For example you had this unsafe ballpit that they encouraged people to jump in that gave someone a spinal fracture.
For this one they vetted the people that could come up close and meet them, but they gave them a +1 and these weren't vetted, which is how this guy got into an area where things were more relaxed.
I think the telling thing that causes this to blow up wasn't that this assault happened, it's that they banned her previous body guard for life from their events because he held an assaulter for a while without hurting him (if she's telling the truth about that) and they gave this guy a 30 day ban from the website only.