Tbh, I am only hopeful from something like a brain computer interface that might have some chance for solving stuttering. Neuralink is already owned by elon Musk, and he is the richest person. Money is not the issue. The only thing is if enough people email/contact neuralink to research on stuttering, they might consider it. And my reason for saying this is that, at the end of the day, they want to commercialise the product and if they know there is a significant demand in stutterers, it could be a factor they might consider it. There are more stutterers than quadriplegics/blind people which are their target audience for now