Miss Curly, it actually is illegal to make people sit in the back of the bus on public transit based on any protected category: gender, race, religion, etc. A private bus would be different. This bus is not private, but is contracted with the public transit authority.

Not all the people riding the bus are Orthodox; it is available to the public. And I have read many accounts of women being assaulted and manhandled on the gender-separated buses, here and in Israel; it is much more common than on regular public transit, as the men do not believe that they have to answer to secular authorities.

I have no problem sharing a restroom with men. I'm an adult, and it certainly would not cause me to be inflamed with sexual desire.

You can infer multiple ideas from the experiment:

Children become what they are told they are.

People are sheep.

People like having power over other people.

1984 and Idiocracy are both true prophetic visions.

People will do what they are told to their own detriment.

People suck.