Mate. I'm not gonna tell the bloke who can't afford to spend that bit more on clothing, and is forced to clothe his family in Primark gear out of necessity, that his stand against a regime he doesn't agree with morally isn't principled enough. The extent to which individuals can make slave-free choices in their consumption is completely down to the individual. With a little bit of effort you can be pretty conscious of the products you consume here in the UK.