Would you not consider it possible that by firing a gun customer, and thereby making it harder to transact, its possible gun violence was slightly reduced? I mean, it's clear the US isn't going to enact sane gun control policy, so you can't also be shocked when the free market decides to act. While Salesforce alone isn't big enough to move the needle with gun violence, as with deplatforming white supremacists, it does work when everyone acts in concert.