Chased out for opting to use my own sanitizer!

I was chased out of Mr Price Sports (Mall of the south) for opting to use my own sanitizer instead of theirs. The staff member at the door rudely told me "you either use our sanitizer or you get out". I asked to speak to the store manager, but to my surprise, her also echoed the same sentiment. I was denied my right to shop.

My problem is we don't know what they put in these sanitizers, he I carry my own. I have never had a problem problem with any other shop or complex.

I am annoyed by the treatment I got, and I don't think I ever step into any Mr Price shop again.