Likewise, if my bank proscribes no covered faces, facemasks etc then those are the rules any customer abides by. Religious custom, whatever the religion and however it is dictated doesn’t matter. Under what law is it dictated that a private business has to serve everyone regardless of the rules or circumstances? If that were the case then there are a lot of muslim cabdrivers and other muslim businesses who have refused to serve customers because of their service dogs, use of alcohol and in some cases because they objected to the clothing worn by females. The sons of pig f’n dogs can pack it up their arses.
A nice little religious perk to be able to use the Constitution and the Koran alternately to get what you want.