Why the Dell XPS is a POS

I don't know what Dell was doing when they designed this absolutely garbage XPS / Alienware Aurora case.
Proprietary Motherboard
Overheats and throttles straight from the factory
PSU is underpowered from the factory, causing the PSU fan to go crazy when the GPU is being used
The CPU heatsink isn't even aligned with the top exhaust fan
Weighs 12 Metric Tons