I think you and the person above you can both have valid concerns at the same time. If someone said "~50% of theft is from <insert minority group> while they only account for 5% of my business, so I'm not going to let them in the door", assuming the absence of social and legal consequences which would realistically occur, it could be argued that it's the right move for their "bottom line" or whatever. Does that mean it's right, or good, or equitable?

Of course at the same time, if you hold yourself to a much higher standard than what's socially or legally acceptable, there's the inevitable fact that your competitors aren't. So it's a fine balance.