There is no evidence that the store employee in New Jersey was a manager. If someone asked about Hannakuh stuff, and was told that they didn't have any, and then got in the employee's face about why not, etc. They might be dismissed with we don't cater to you people. Maybe the shopper was complaining about the stores being closed on Sunday, but open on Saturday. What most people might consider to be rude, probably is not considered rude in New Jersey or New York.
Jim, that's certainly one possibility - that the customer was especially pushy and rude and forced the situation. Another possibility is that the store employee is rather high on the autism spectrum, with fixed views of what is right and wrong and firmly anchored in their own rules, and reacted to a disagreement or innocent question with uncalled-for hostility or a patronizing response. We'll never know, certainly.
And now, I am locking this thread, because there is nothing good to come of it.