General Discussion

You're supposed to keep your mouth shut and ensure your public reputation is neutral at worse, because you acting bad affects your employer's profit.
The simple fact is that White Nationalism and other isolationist cult groups are dedicated to reducing the customer base in the economy by erasing the power of the "out groups". Which means businesses that aren't niche to cults or isolationists will lose about 50% to 60% of their customers because those customers won't feel welcome to "come on in"...
Yah, if I were a retail store or repair business, I'd fire his dumb racist ass if he did something like that in public, too.
Let his equally stupid cracker buddies support him.
He's going to lose his employer customers and business.