The kind interactions (including pictures and such) you get on OF vastly differs what you will get on other platforms. That’s not in the job description.
And to your last point, she was a social media manager, not a Facebook moderator. How does that compare? Are you intentionally making bad faith arguments?
No likely not, and Facebook clearly deserves a proper reckoning. But I don’t see how this relates or makes it ok.
Would you say LTT/LMG sells itself as a channel about sex or porn or the likes? No, it’s a tech channel and as such one would expect tech related social media. You could state that the function of the job is unchanged, but the job content is also relevant here.