first off you shouldn't preach unless you have walked in someone elses shoes.. whether that person is black, Asian, white, midget, ugly, good looking, short, tall, skinny, fat etc.
second why would you want to see someone who doesn't want to see you? lets say a provider just cannot stand young guys, do you think she shouldn't have the right to avoid them? is that age discrimination? I don't think it is.. if you are a young guy and a provider states she only sees 35+ men then respect that and move on. why would you want to get there and cause an issue?