Make sure to go to the Autozone web page, hit the contact us button and let them know what you think
I tried and wrote this
" This is about the Devin McClean story. I will no longer be doing business with your company. I support our heros and our 2nd amendment rights. Your former employee did the correct action and you should have felt lucky to have him as an employee. Not discarded him like a criminal."
It would not let me submit, it said to enter a valid comment. So now they will lose me as a customer and not know why. Guess they don't care.