The shape of the lamp is vital to calling the appropriate Ifrit. Even the smallest burr or blemish can unleash the most terrible demons, which is why the adept known as "Alladin" spent so much time polishing and venerating the vessels of his craft.
And then an upstart came along and proposed that specific markings, twists of the thumb, splotches of dirt could be used to CONTROL the people of the Flame.
Heresy!
And yet we stand here before his army of death, checkmated.
What now, friends?