> I swear people will pick an appliance with an app simply so they don’t have to press the preheat button on their oven.

Absolutely. The other day a colleague described the fact that her washing mashine's app tells her when the program is finished as an essential, must-have feature. I understand that it's useful and nice to have but if you're wearing an Apple Watch anyway, as she does, just set a timer. It's what I do.