I'd kind of make the argument that to me at least, it's not really a story about "finding the right balance" between free speech absolutism and a generally pleasant society.
To me that is a somewhat interesting conversation for sure, but the point here I think is that we have a huge number of cases where real live violence and harassment is occurring directly and indirectly as a result of Facebook's choice to NOT properly moderate content that we seem to both agree is most certainly not the kind of speech worth defending.
Facebook will say that there is no way that they could possibly do a sufficient job on this and will remind you that they are "always seeking to improve" but the reality of the matter is that they have made a decision for reasons that aren't actually clear as to why they decided to dedicate this specific amount of resources on the problem.
A lot of people in society think that they should be spending more on trying to fix that problem. I happen to be one of them and I think that is the conversation I am trying to have. What is a good way for society to provide their feedback on how tech has impacted their relationships? Seems to me that very few people actually like social media but many are addicted because these Facebook spent untold amounts of time and money finding new ways to optimize for "engagement" without ever really considering all of the shitty impacts on society that might have.