Each brand is trying to find a way to get a leg up on the competition in a tight market space. The above picture is what I found on my last grocery run. What caught my eye was the asterisk next to the non-GMO popcorn claim. My guess was the ingredients list would include soybean, canola, or corn oil.
The temperature for broiling in an oven is 260 degrees Celsius or  500 degrees Fahrenheit. Medium heat is about 177 degrees Celsius or  350 degrees Fahrenheit.
HI BROIL Heat radiates fromboth broil elements,located in the top ofthe oven cavity, at fullpower. The distancebetween the foodsand the broilelements determinesbroiling speed. For fast broiling, food may be as close as 2 inches (5 cm) to the broil element.