He's obviously using the colloquial definition of the word "scam", namely "a completely legal and ethical enterprise with a business model that I, personally, disapprove of".
Nah, the meme that she scammed their supporters by taking the kickstarter money and disappearing has been part of the harassment campaign against her since the beginning, before she published the first videos. People in the gamergate miasma just don't like giving up their talking points even if blatantly contradicted by reality, I suppose. :V