I discovered they are also dangerous: My former cook top was solely driven by capacitance buttons - which became entirely inaccessible the moment there was an

I discovered they are also dangerous: My former cook top was solely driven by capacitance buttons - which became entirely inaccessible the moment there was an overflow, leading to more overflows and a situation that rapidly got out of hand. The first step in an emergency is switch off the cook top - luckily the breaker switch was nearby.