ooh I'm torn on this one, on one hand fiat i feel is an unethical system to begin with, so attacking it by shorting it as best you can seems ethical to me, you can short it by just buying within your means, but if someone wants to give you preferential access to capital to short it, what's the real difference if you can avoid blowing yourself up?

You're just defering your future wages to realise the gain in Bitcoin now