Didn't they say that discrimination based on sex, race or disabilty was already illegal so no additional regulations were required?
Therefore you can't make women wear high heels unless you make men do too and you can't require high heels anyway because they may be unwearable for someone with a disability.
There was also an issue requiring people with afro hair to have it chemically straightened, which is clearly racial discrimination.
Of course, there is the difficulty about enforcing these rights while retaining a job. Perhaps some solicitors need to take cases on on a no win no fee basis?