Yes, I do believe that. We are not trained to identify, diagnosis, or treat sexual addiction. United State's mental health community is woefully out of date. I have met hundreds of partners of sex addicts. My story is very typical.
Another fascinating researcher to check out is Omar Minwalla. He began to specialze in this area after treating sexual offenders who had gotten into legal trouble. You can find more information on him here: https://theinstituteforsexualhealth.com/dr-omar-minwalla-psy-d-licensed-psychologist/