Surely that indicates not that they think "adult funsies" are important (though maybe they do) but just that they expect some people to be worried about the pro

Surely that indicates not that they think "adult funsies" are important (though maybe they do) but just that they expect some people to be worried about the prospects of having their adult-funsies activity logged on someone else's server, and want to reassure them that it won't be. Seems reasonable to me.