Uber driver refuse to take a client with disability.

Today we booked an Uber for my son who is disabled to go to church. We always book Uber X as it has bigger cars than UberGo. The driver arrived and when he saw my son in a wheelchair, he started making excuses that he doesn't have boot space for a wheelchair yet he was driving a Toyota Corolla. We asked to try and see if it will fit as I know it will fit, he has had numerous Corolla drivers. He then came with an excuse that there are speakers in the boot and the wheelchair will temper with his speakers. I was just so annoyed and asked him to cancel the ride, I'll cancel it too on my side. Now my question is what if he wasn't picking up a person with disability but someone with luggage which needs boot space, what was he going to do. I think some people still discriminate against people living with disability and they don't have respect and empathy towards them. I don't believe he was telling the truth, he just didn't want to transport someone who's in a wheelchair. It's still a long way to inclusivity, some people are not willing to act like humans, they are just pure evil.