I'm just saying, I've never heard of a ordnance that limits what you see?
I can help with that - cities everywhere have signage ordnances.
A few decades ago, the big city in New Mexico passed one limiting the size of those on private businesses running down the main drag, because everyone's signs had grown so large a constituency arose that said they'd become an eyesore. I know of a lot of cities with such ordnances.
Further - theaters can show that action shot from Jimmy Bond on their billboard - but not a XXX graphic if they show that sort of thing, in most every city you go.
If I lived across the street from you - or children in your family - and I erected a billboard on my lawn depicting some XXX graphic, I think you'd find that the folks where you live would find applicable ordnances against that and I'd be in a world of trouble - and I wouldn't be protected by the 1st Amendment - I'd be liable for whatever applied locally - public indecency, contributing to delinquency of minors, and that big favorite - creating a public nuisance, and I'd predict that I could take it as far as appeals would let me and I'd lose.
So - how is a KKK snowman in an area known for racial violence any different than that hypothetical XXX billboard where a public nuisance was concerned?
I think he cowtowed because he knew he had no right to do that - his ended where others' rights began, just as you say.
It could be reasonably argued that this rose above public nuisance and was inciting violence - perhaps law enforcement was being gentle in only threatening a lesser charge - nuisance vs. incitement - and rather than his rights being trampled on, he was actually given the benefit of the doubt.
Of course - I could be wrong, but then, my defense for that XXX graphic would be for others to not look.
How would you think that would work out for me?
Law is more than theory, much more - it's a practice of a social contract.
These are merely my opinions, though.
My overarching point is much simpler - the things we take for granted as rights are always open to scrutiny and only after doing so are we ever really sure of what we think we believe.
And I believe TSA sucks out loud.