Was I in the wrong for calling out my coworker for her actions?

Honestly, I don’t think I was but here’s the story: Got into an argument with a coworker of mine about arguing with customers when it comes to showing receipts before they leave the store.
Even though it is the door host’s job to ask to look at receipts, they CANNOT LEGALLY stop the customer from leaving the store. And that’s EXACTLY what she was doing to a customer today. Customers have the right to refuse to show their receipts. If they argue, the door host just can report the incident to management.
I called her out and she got super pissed at me. I told her don’t argue with customers because it’s not worth it and they can literally choose violence if they wanted to. That is what we were taught.
I did report her to management so hopefully they’ll do something. Unfortunately, she has done this in the past and is still doing it.
Was I in the wrong for calling out my coworker for her actions?
Post Opinion