Its a basic prejudice, because we make a judgement on an appearance and draw some conclusion not based on anything factual and not the the person who you say has equal ability. It would be no different if you substituted color in your scenario. Don't take offense it's just what some people do...
If a person is capable of doing the job and making my vacation experience a good one, I really don't care what styles they display, hair, jewelry, tattoo etc. I don't personally have a tattoo for the record.
Imagine paying the huge room charge to stay at a moderate hotel and then getting socked with an additional 20.00 a day like there is some other choice to park. Why not just raise the stay price to include it so it doesn't seem like such a rip off.
If you replace the monorail it has to be something very state of the art. The monorail is iconic and makes Disney what it is today. When you first see the monorail it tells you you are somewhere special.