I did not attack all owners of "black" rifles, just the ones who want to carry them into Starbucks to prove some kind of point and the tacti-cool, wanna be, youtube commandos that paint all gun owners in a bad light.
You do sound like an angry individual.
If you were that angry when dealing with the ATF, I can see where they might see fit to give you grief.
The way I see it is that they have their job to do and I have my business to run. So, if treating them with common courtesy, and being responded to in kind, gets the encounter finished with minimal friction, then we both win.