Sorry for the delayed response. I interpreted the text of your comment: "or that there are distinctions between firearms companies at all." as saying most in

Sorry for the delayed response. I interpreted the text of your comment: "or that there are distinctions between firearms companies at all." as saying most in the protests were unaware that there were differences between firearm manufacturers. Not that they would be familiar with what the specific differences were. I think the vast majority of people know that there are differences between firearm manufacturers. I think you're quite correct in the claim that many activists may not be aware of what those specific differences are.