Social media addiction absolutely exists, is a very recognized thing particularly in younger generations. Same for video games, you can absolutely be addicted to gaming.

As for sources, they're but a Google search away, I'll take care of it for you. https://scholar.google.com/scholar?hl=en&as_sdt=0%2C25&q=pornography+addiction+&btnG=

We're also not in a formal debate, and I'm not writing a paper to be peer reviewed, so that's about all you'll get for me.