If your hypothesis is that parasocial relationships are not a healthy substitute for social relationships, I think most people would intuitively agree.

I think the bigger question is the degree to which Parasocial relationships replace or compete with social relationships. I am more skeptical on this point.

I thought this paper was an interesting introduction and exploration of the topic:

The one-and-a-half sided parasocial relationship: The curious case of live streaming

https://www.sciencedirect.com/science/article/pii/S245195882...