Flame is bad. Flame does nasty things to food. It makes soot and it makes deposits of various chemicals that are not too good for us. The last thing you really want to see licking at your food while it's on a grill is an actual flame.
Alton BrownI love to have battles of the wits with people that can dish fast and dirty - and it leads to problems occasionally, 'cause I can sound mean without attempting to be mean.
Alton Brown