You are not a customer, you are a product and you will be sold.
The home tat is complementary to the picture, it has little or no value on its own.
Taken altogether it completes building the unassailable fortress around Google primary source of revenue - spying on you so it can resell it to advertisers. It also goes comes from behind Apple which has been working on home tat for quite a while and overtakes it in this game. Though to be honest, Apple still tries to sell products, not just treat you as a product.