Here is the results of a study that Amsoil has on their site.
It doesn't look like you can go wrong with Mobil 1 or Amsoil.
I currently have Mobil 1 in mine.
A lot of the things you hear come from the rumor mill,no idea where these things get started.You can bet some are from the zealots,that think theirs is the only way to go.I have my preference for lubes and for my reasons,certainly would never try and stuff it down someones throat.Good Luck