I feel like a more acceptable solution would be simply to ask user un what category he wants to be put in?.. I know may sound naive, but why not? This effectiv

I feel like a more acceptable solution would be simply to ask user un what category he wants to be put in?.. I know may sound naive, but why not? This effectively solves the question of optout as i can choose to use default value so that i am indistinguishable from thousands other people This also clearly allows for some targeted ads that user does actually care about. I don't mind seeing ads for technology, but all those "You wouldn't believe this!! 11", and "Look, penis!!" are just insult to humanity. I know it's still ads. But i have an impression it's ao much better solution