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My daughter isn't allowed to watch Home Alone by herself, but she's allowed to watch it with either my wife or I. Parental Guidance.

But neither my wife nor I have any interest in Home Alone 2 being in our personal profile Suggestion lists.

And when my wife is trying to bring up Home Alone 2 to watch with my daughter, she doesn't need my daughter seeing Naked European Romance Drama showing up in the Continue Watching.

I think the suggestion is that you make a profile for "Adults + Kids" (separate from your individual profiles).

It could also allow guests to check in.

My friend Steve comes over. He and I both check in.

It makes recommendations for shows it predicts we would both like.

The point being that when I watch something with my 7yo, she's not gonna watch any of the crap I watch and I'm not gonna watch any of the crap she watches. We're gonna find something in-between.

I think they’re making the case that viewing profiles are an antiquated concept and what’s more interesting is shared viewership profiles, or some algorithm that takes multiple profiles into account at once.

The University of Minnesota MovieLens collaborative filtering system had this... Twenty years ago?