There is no such thing as good oil. There are only 2 types of oil,some and none. The superior bearing shows itself to be superior when there is none.
Question here.
The OP presented some pitted bearings, never mentioned oiling issues, just pitted bearings.
That said, when the bearing gets no oil, and takes a shit, it's :
A. Owner's fault
B. Builder's fault
C. Bearing manufacture's fault
D. Oil producers fault
E. Vendor's fault
F. No one's fault
G. Everyone's fault
H. Some random LS swapped guy's fault
Tell us, oh wise and greater mind than all herein..........
Inquiring minds need to know........