Maybe because the "break in oil" is not oil at all, pure penetrating metal lubricant that cannot handle the viscosity of real oil. Dont follow the break in rules if you want to.... just dont forget that that little key fob thingy you have..... stores all the info on your car to include highest rpms, last fill up and top speed you have driven. warranty VOID!!!!
Glory may be fleeting, but mediocrity ensures anonymity...