Oil viscosity - why the 20W-50 BS?

Why the heck are people telling us to run that thick oil?


because the oldheads still believe that stuff and have brainwashed many younger people..


its the same bullshit as:

have to change the oil every 3000 miles
a 904 won't hold any power and you have to run a 727
you can't go more then a 3000 stall converter for the street

etc..etc...etc...