A shop exists where a tonne of shoplifting takes place by people of all races. But the security guard only calls the police on the black shoplifters.
A pawn shop gives collaterally secured loans to many borrowers of all ages and frequently they default, but the shop only pawns off the collateral items of and invoices with default fees the younger defaulting borrowers, seemingly never the older ones.
A restaurant has a rule that nobody who is under 7 feet tall is allowed entry, but they only seem to exclude customers on these grounds of not meeting the height requirements for entry who are conspicuously Muslim.
Have any of these businesses committed unlawful discrimination?