Fantastic service does not require giving up your privacy. There are privacy-protecting ways to do personalization, gather data for machine learning, and so on. Even advertising business models do not require that people give up their privacy.
This user speaks of Utopia where there is infinite engineering resources and endless profit to dig into.
Maybe I suck at business, but making profit is very hard.
I have no reason for privacy, its like buying a Mini Van when you are single.
EDIT: HN is bad at discussing ideas. I suggest not downvoting people for dissent.