Back in the Day...
I remember having a chip on my shoulder with my long Hippie hair, believing that "Someone should not discriminate against me, but hire me on my qualifications..."
When I look back at it now, I am surprised that anyone hired me at all! A staunch individuality actually holds people back; though they may not see it. The good thing with a man-bun, is that it can be remedied easily. Tattoos and Piercings cannot. One place I worked was dealing with the public. The boss hired one kid with piercings all over his face (described as looking like he fell face-forward into a tackle box)! The condition of employment was that he could not wear the "hardware" while working. One girl had the condition of having a normal hair color... not purple. This business deals with people, and it is fair to determine what face represents your company.
I have seen girls and guys with bright pink hair at restaurants. Most of the time they are relegated to the kitchen... for a reason! People do make judgements on these things whether we like it or not. Even in Church, I know that I have not been offered to do certain things because I do not wear suits and ties. While over time, these barriers are easing up and being accepted, but they are truly barriers now.
The people with neck and face tattoos, or large sagging earlobes with huge gauges in them, are not the people most businesses and organizations want to be their "Face" to the public.
I do not judge anyone's salvation on tattoos, piercings, haircuts or man-buns... but I do question their judgement in all things, based upon what I see as bad judgement in their personal appearance. I do not say that this is fair, but it is a reality of life; you will be judged by your appearance... even in Church.
On a quick side-note... I had one teenager ask for an application for employment. He was wearing a t-shirt that said... "Does not Play Well with Others" :) When I handed it to the boss, I gave my non-recommend!