Their business model is to attract and sell your attention to other companies.

Given that, and the existence of pervasive surveillance and data mining, the above is inevitable.

Or as one fellow once said on HN with regard to self driving cars and advertising as a business model:

"Oh you wanted to go to the bank today? Fuck you, we're going over by the mall" doors lock shut

Or maybe:

"I was feeling bored, so I drove down to the mall. Look what all did I get!"

And then prepares to rush the owner to the hospital.

Personally, I wish it did have reminders like that. Offer me a coupon too, while you're at it.