Well to be honest, Purolator or Fram doesn't make engine bearings or engine parts.
I think you guys are missing the point as well.
This is a technical article about the effect of oil films and oil film thickness verses bearing geometries.
I don't make my own base oils but use quality base oils provided by others, and it doesn't decrease the quality or performance of those lubricants.
"How you see your future is much more important than what has happened in your past." Zig Ziglar