I think you are making a blanket statement about uniform systems and attributing all the bad things from a few to all of them.
I already touched on this and said that the best ones are the ones that give you the most freedoms. The very most freedom is had without any uniforms at all.
I would know because I spent a good 5 years living on just two suitcases drifting from home to home
How did this look when you moved somewhere with uniforms? You probably had to buy new uniforms and you would be able to give them away when you moved away again. That money could have been put towards buying something newer and nicer for yourself instead.
Saying "there will always be something to bully" as a counterpoint to how bullies will always find something to bully is pretty dismissive to how much it hurts to be bullied for one's appearances.
The problem is that one's appearance isn't just the clothes you wear. How much does it hurt to get bullied for facial features, hair, skin colour, accent, pimples, issues possibly related to a disability? Bullies can also just pick any part of your body and make fun of that because most people dont have a perfect body. Everyone has something that is not perfectly adherring to body standards.
I just don't see any reason to believe that uniforms would make it more "difficult" to bully in any way. Bullies don't blanket bully everyone who wears X or does Y. They are predatory and choose specific type of person to bully and then just fling everything at them and see to what that person reacts.
I get that being bullied for your clothes may not look a big deal to you because you're a grown adult. But that's not how many teenage minds work. Small things like that can be detrimental to their self esteem.
I totally understand that. But the only time I, personally, ever saw someone get bullied for their clothes was when that person was wearing uniform that was in clearly poor condition because that kid had it really rough at home. On the other hand, I've noticed people attempting to bully me for traits of my personality. They weren't satisfied with my reaction so they went on to bully someone else instead but the point still stands. Could school uniform have protected me from that? Does school uniform make me less nerdy?
I'm sorry you had to go through all of that growing up and I hope you're over it now. I just feel like you're giving school uniform too much credit.