I mean, supported in the personal belief sense. I can assure you that it was never intended, even if that was accidentally conveyed.
Natural language is inherently imprecise. It only works because there's shared background to interpret it on.
Dark humour is a thing, you'll see it everywhere on the internet - I'm sure you know that. This is no exception.
Yes. I'm not in line to inherit a fuck-you amount, but it's substantial, and if I move to a poor country and live modestly I should be able to make it last.