One way or another, we need to live. And it is impossible, for all practical purposes, to produce everything we need to lead a well balanced and reasonable life.

It holds a degree of validity, but like all absolutes, it leaves out everything between complete lack and total abuse.

Its overused by people who misunderstand the point.

No, there isn't ethical consumption under capitalism but that doesn't mean we can stop and consider the actual impact of what we choose to financially support. We can make the choice to reduce negative impact, even if we can't eliminate it.