Does anyone here have a stutter that can’t be “cured?”

Does anyone here have a stutter that can’t be “cured?” I’ve noticed that some people in here have “cured” their stutter by being confident, and a lot of people in here say that their confidence is a huge factor in their stutter (not the other way around, although stutter definitely do affect confidence). I have Tourette’s, and my stutter is caused by it. It’s weird, because it hasn’t gone away like other tics do, but I’m almost certain it’s caused by it. I don’t have a lot of confidence issues, I wrestled and play music at pretty high levels, and in general I’m a confident person. This is a weird post, I know, but I’m just wondering if anyone in here has a stutter that isn’t cause by confidence issues, and will either have it for a long time or forever.