@DY it is not at all semantics because such addictions existed before the internet calling it an internet addiction is not factual and is incredibly misleading.
It absolutely is semantics because countless people have become addicted only because of internet access, especially unfiltered, and regardless of whether the underlying disorder existed before the internet, the cases of addiction have increased manifold since the advent of the internet.
Getting technical, based on the opinion of some psychologists (not all) does nobody any good.
Recognizing the danger, however, is an important step to prevent more people from falling.