I do this with a USB relay, it doesn’t use any radio communication but the downside is it requires some rewiring

With a Linux box and the lirc program, you can do it with a leftover number pad. Then you get … more than 10 buttons!

They should care! It could be a source of selection pressure

They need a cow bell

I think when most people talk about “processed food”, they’re referring to ultra-processed food, and just grinding beef would not be enough to classify it as an ultra-processed food