Despite the title of the article this is the killer quote
So if sanctions don't work most of the time, backfire often, and are increasingly easy to evade, why does the U.S. keep using them? Demarais says it's because they're easy to implement, they cost very little, and they are comparatively risk free.
Basically they make you feel like you're doing something while achieving nothing (except potentially harming hundreds of thousands of people) because you don't feel like going through too much trouble. So no, selling a few Nikes won't extend the war.