It's very easy to do with a Jetboil provided you're sleep deprived and inexperienced using it in the field. I bought a jetboil several years ago. Tested it out in the house a number of times. Bought a pot stabilizer for it and packed it away. Went to use it for the first time the in the field the other morning after getting absolutely no sleep. Opened up the cup, removed the pot stabilizer and placed it on the burner. The I placed the cup with it's plastic skirt/cup right on top. I wondered why it was taking so long to boil the small amount of water for my oatmeal until I saw flames and melting plastic. I hope I don't mae that mistake again. I won't be packing the pot stabilizer in the cup any longer.
A more idiot-proof design would be a metal measuring cup.