I completely agree with POD... someone with SOME training on a bigger bike is a safer rider IMO than someone with 0 training on a smaller bike.
or at least if I were a betting man... that's where I'd put my money.
I do believe the MSF instructor is a hypocrite.
and just my

but argue'n a point that you don't believe in isn't stupid... it shows KNOWLEDGE about the subject. easy to argue from YOUR viewpoint... quite another to defend one you don't fully support.