“Source of all problems?” If you exaggerate it right in your question and then ask if it’s exaggerated, of course the answer will be yes.

“It’s just a tool” yes and when people say “social media” they mean the whole combination of the tools and how they are getting used. The whole “it’s just a tool” argument isn’t worth much. Yes, it is, and now that it’s been let loose in the world, we see how it is being used.

A match is “just a tool” but in a forest that’s dripping with gasoline, you can see how that tool will do exactly one job.