I don't think the keywords are relevant. The policy is "if you sell any weapon-knives, then you can't use AdWords at all" - nothing to do with keywords. The p

I don't think the keywords are relevant. The policy is "if you sell any weapon-knives, then you can't use AdWords at all" - nothing to do with keywords. The point being that Google would stand to lose a lot more revenue by enforcing an AdWords death-penalty against Amazon than they would against a much smaller business, like the one in question here. I don't see a conspiracy here, either - it just looks like the huge advertisers like Amazon have a lot more leverage in their relationship with Google than the tiny ones do, so are less likely to have the rules enforced as strictly against them.