@mach or @jumpjump hoping you have had more success than me finding perforated correctly sized pans?
I cooked ribs in the oven last night and the fat went everywhere when browning - they were excellent but the splatter was worse than in my large oven 
I’d agree it looks like an omission from the original marketing plan - perhaps they had supply or cost issues but I won’t be doing anything fatty until I have a better setup.
I’m assuming your supplied pan also warps even at 350f temps? Mine is pretty much useless.