If you insulate too good, the heat from display won't be able to escape, and you'll need a gap b/w screen and insulation, making the door even thinker. I'm pret

If you insulate too good, the heat from display won't be able to escape, and you'll need a gap b/w screen and insulation, making the door even thinker. I'm pretty sure, by design, those displays are being cooled with the freezers behind them.