> That's two conversations mixed up in one: one about what is, as in, a prediction of what we can expect people to do, without any value judgements, and another about what ought to be, as in, what's our moral and ethical opinion of this behavior.

Economists are careful to distinguish between 'positive' and 'normative' economics, where positive economics is what's observed to happen and normative economics is what someone things ought to happen, morally, for precisely that reason. There are always the people who can't or won't make that distinction, however, including the people who refuse to distinguish between describing something and expressing approval of it. This has a particular relevance in any online community with a downvote function: If enough people are offended by a description of a state of affairs, any discussion of it will be downvoted to oblivion and will be impossible to hold in that forum, especially if downvotes are tied to how much you can participate in that forum in some fashion.