Everyone thoughts will be whatever the advertising leads them to believe.
The difference from one oil to the next is MINOR. True there is differences but people who claim to notice an instant difference between brands crack me up.
Dyno's and dragstrips can barely notice a difference, how can one feel this?
I only run Mobil 1 synthetic in our LHS because my wife's trips to work is a short one. That's servere in most books. The Mustang and Ram get Valvoline or Penzoil and her old 65 gets Max Life, because it's over 75,000 miles