Sure, you're not wrong on that at all. I follow that linking third party is not a guaranteed pass, but in the scope of infringement penalties the actual hosting

Sure, you're not wrong on that at all. I follow that linking third party is not a guaranteed pass, but in the scope of infringement penalties the actual hosting is where the real penalty cash can add up from what I've observed. The massive scale of Reddit helps it claim - in my personal perspective - that infringement isn't its main business model, that infringement has been incidental as part of the greater operation. ISO sites probably couldn't make the same sort of claim, I'd guess.