Kind of like blaming 'inferior parts' for shody workmanship. Lets pass the buck and find a scapegoat.
like I said show me the failure from the oil brand....please then I'll join the pack. Just like with ATF fluids I use Ford type which is recommended by most tranny builders. The cheapest one on the shelf does as much as all the hi dollar fancy brands . keep it fresh and clean is all you need.
I use what ever is cheap or on sale too. heck I even use Walmart or Mills FleetFarm brand oil.