Maybe I'm a callous bastard, but I genuinely don't get how he feels personally responsible here. It's a YouTube problem, not a M:tG problem or a him problem. He sounds genuinely distressed, and I feel for him, but I don't get why it causes him pain in this specific way. It's not your fault! And for what it's worth, it's not really YouTube's "fault" either. Remember, they're victims here too. They didn't invite this,…
I think the creator has clearly spent a lot of time and effort building his community, and he is witnessing members of that community being hurt, but also his reputation is being directly attacked by the scammers to hurt his image with the very people of his community.