Things like this seem to come up often on HN. Why can't we speak out against a system while participating in it for lack of a better alternative currently?
You certainly can; that's what the OP is doing; but the parent says you shouldn't. I'm just pointing out that he's not really living by his word, contrary to what he says.
Then why do you live in a country that has borders? As per your own policy, you should be in a boat somewhere in international waters.