Would you allow the KKK to run around with their white pointy robes on,
Absolutely, as we do today, in some 'un-enlightened' countries outside of the 'enlightened' europe,
or would you accept that black people are going to find that a bit unsettling?
Sure. But that's the price to pay for freedom.
Avoiding unwanted cultural pressure over dress is partly why we retain school uniforms, so poor people are not left out.
I don't know if that's the reason for school uniforms but if it is, it is the wrong reason.
I am not OK with people choosing to talk to me through a letterbox, it is offensive.
What if others outlaw your ability to think the way you do because somehow it is offensive for them that you think that way?
In a free country, you will have that freedom to think for yourself. I will defend your freedom to express anything, even if it is offensive to me.
A good example of JK Rowling's recent comments about Trump having the right to express his views no matter how offensive such views are to her.
If some members of a society has the ability to shut down speeches they consider "offensive", that's no longer a free society.
"free" really means free.