I don't think half the people here have ever had to cook for themselves before. I can hardly blame them for a few mistakes.

[It's not a matter of etiquette so much as... you know, lack of skill.]

I think a "how to use this appliance without blowing up anything" lesson would be a bit more accurately targeted to this demographic.

[Also don't mind him stepping around you to the spice cupboard to gank the black pepper for his roast over there.]