It's because they're easy to clean. No crevices or edges where oil and grime can accumulate. Sure, you can still clean buttons, but to have them look "as new" t

It's because they're easy to clean. No crevices or edges where oil and grime can accumulate. Sure, you can still clean buttons, but to have them look "as new" takes more work than touch controls, especially in an environment like a stove, where "accidents" can happen regularly. I still prefer physical buttons though.