You have deeply misread the article.

There is debate about if porn addiction is a real, separate issue than just compulsive behavior, but the vast consensus is that porn is addicting, just that by itself it doesn’t count as a separate addiction when people show the same addictive behavior towards things like video games, so the argument is if we should make a blanket category for compulsive behavior.

https://www.addictioncenter.com/community/is-porn-addiction-real/