In this case we're debating whether one of the purposes of AI is to scan the elderly. Probably 'purpose' is not quite the right word, but the point would be: it is not the purpose of AI to not scam the elderly (or it would explicitly prevent that).
(note: I do not actually know if it explicitly prevents that. But because I am very cynical about corporations, I'd tend to assume it doesn't.)
What is it that isn't being done here, and who isn't doing it?