Absolutely! All those things you mentioned occurs beneath the [stuttering iceberg](https://www.reddit.com/r/Stutter/comments/19ayi8s/lets_be_honestopen_when_addressing_the_iceberg_of/). As you pointed out, holding back communication, dehumanization, disempowerment (or being deprived of power/control in social situations where stuttering may lead to negative perceptions), and stigmatization (or unfairly labeling us as inferior or undesirable).