Sacred Haven of Debauchery

Basically, you turn the knob, press the button/hold a flame source, and a hot, blue light appears – that’s normal.
You turn the knob, and the round thing gets hot – that’s not normal.

Ah, I see your point of view... Well, it’s a matter of habit. Yes, the burner will be hotter, but it requires special cookware, and cooking becomes similar to cooking over a campfire.