water is free oil is free soil is free but they are selling them to us.This is the same and can not be considered as unethical. What is unethical is war.
I agree, war certainly is unethical and we could debate about the ethics of selling land and natural resources forever... Google gives these away free. It doesn't take half a brain to use their search engine to find a free coupon link. I think it is unethical to advantage of those who are, let's say, mentally challenged. (Love ya avatar btw - got the cnd logo as part of tattoo myself... a bit more meaningful and long-lasting than certain other choices I think!)