> Coffee machines don't need internet. Your thermostat doesn't either. reply
Yours may not, but that's just your personal preference. A lot of folks enjoy these products. An argument could be made that no one needs a coffee machine or thermostat to begin with.
I can definitely see the case for an internet connected thermostat. A coffee machine, much less so.
You're about 35 years behind the times about people networking their coffee machines [0]. People might want to know the status of the pot (the OG example), how their ground/bean coffee supply is, or the ability to trigger a coffee or water boiling before they walk to the machine. My coffee making process is entirely manual, and I like it that way, but I can at least see how there are some features that could be nice.
[0] https://en.wikipedia.org/wiki/Trojan_Room_coffee_pot