I've been openly carrying a fixed-blade throughout urban San Diego for over a decade. I've been carrying the knife pictured below for almost a decade.
Not for one second do I believe that the sight of my knife will cause people to lose their fear of knives, or become more comfortable/accepting of knives. And that's not my goal, either in carrying a knife, or in life. I learned long ago that I can't control what other people think of me, no matter what I do. All I can do is be myself and live my life as a responsible law abiding citizen.
However, when I use my knife to help others (cutting stuff), I do believe that it's at least
possible that they might gain a different perspective and perhaps give people carrying a knife the benefit of the doubt. One can hope anyways. I've helped several total strangers over the years and they were all grateful.
I don't carry knives, or anything else to make a statement or change society. Everything I carry has a specific purpose- either as a tool, or for self-defense, or both.
I don't automatically think "weapon" when I see someone carrying a knife. If I saw someone carrying a Mark2 dagger, then yeah, I would think "weapon", but I wouldn't automatically think "dangerous" or "criminal". Quite the opposite actually, I would assume that he is someone who knows the law, and obeys it.
I occasionally see people openly carrying fixed-blades, including the last guy, a customer in a Walmart grocery store who was openly carrying some kind of skinning knife. I didn't look upon it as a weapon, nor did I regard him as a threat. Instead, I thought to myself "Cool, another knife enthusiast exercising his legal rights".
Likewise, if I saw someone walking down the street carrying a baseball bat, I wouldn't assume they were on their way to clobber someone, I would assume they were on their way to or from a ball game. Whether or not I regard someone as a threat depends on several factors, not just what I see them carrying. I can just as easily regard someone as a threat, even an IMMINENT threat, when I can clearly see that both their hands are empty, and with no sort of weapon visible.
I am of the mind that I regard the weapons I can't see as a much greater threat than the ones I can see.
I don't mind if people look upon my knife as a weapon. I do carry it in part for self-defense. And because I recognize that people might look upon it as a weapon, there are some places I won't carry it (bank, movie theater), but that isn't because I care what people think, it's because I don't want to be asked to leave.
Like I said, I've been carrying this knife in this manner for almost a decade. And not a single person has ever said a negative word to me about it. And not a single cop, out of the dozen or so that have seen me carrying it have ever said a word about it, or stopped me, or asked for my ID.
I'll be going out shortly, and I'll look just like I do in this pic, but with the addition of a 13" crescent wrench sticking out of my front right pants pocket. No cop has ever said a word about that either.