We had an experience something like this while we were passengers on a bus going to DTD just a few weeks ago, only the bus driver acted rude to a guest in a chair and that set things in the wrong direction. IMHO.
A family was waiting at Music, our bus stops, a girls looks in a says something to the driver, he huffs, lowers the bus and opens the back door. This family had been waiting there, it is not like they came out from the building at the last second. I saw them when we pulled up. A husband then assists his wife onto the bus, she gets up and transfers to a bench seat while the husband struggles with her scooter. He then begins to mumble, the wife says something to him that made him respond in an angry matter back at her (mostly things like "I AM" and grunts), and he continues to struggle to get the scooter in a good place. Finally, the scooter is in place however, the driver cannot get the back door to close properly so he huffs and puffs for a few trys. The daughter walks on the bus, apologizes to the driver, I guess for the extra hassles of picking them up when he was going to ignore them waiting...possilbly? By then it was obvious there was tension between the family themselves, and between them and the driver. Anyway, the husband sits down (way away from his wife, even tho the bus was essentially empty) and says "34 years of marriage and this may be my last" then looks at us, and sees our "Happy Anniversay" buttons and then says to us "happy anniversary", I look at him and he is wearing a button too! We told him happy anniversary back. I later said to my DH, wow, that could be us years from now, one of us in a chair and the other angry that he/she has to deal with it. He said, "no, it won't be us, we would never treat each other that way."
I do have to wonder if the bus driver had been more helpful and less huffy if this guy would have been so rushed and messed up so many times trying to get the scooter in place so the bus could go. We all have bad days, most of mine take place outside of a public area. For that I am grateful. However, while I am at work, I hope to treat each person I come in contact with ( I work in a public building) respect, even if they can't or won't treat each other with some respect.
Long story short, sorry that people were rude to you. I am glad it did not ruin your visit and at least your family loves you!