Can't change the past, nor attribute lack of childhood therapy, for where you are today.

There's a variety of reasons, even these days, why children don't end up in therapy. From anywhere from custody issues, to insurance reasons, et al.

One thing, to address, was the teasing nature of your upbringing, how it affects you now, and perhaps a sense of dismissiveness. But keep in mind, parents (most parents), do the best that they can with the resources that they have. (resources, can include, just not knowing anything different, themselves).