I think the guy is one of the biggest intellectual scammers out there. He wrote his famous book when working a normal 8 hour job and was nowhere near being wealthy. He wasn't a rich dad. Just a normal guy.
Yes rich dad buys a car within his means, poor dad finances the brand new truck and doesn't know what "9% APR" means but he's happy cause he can "afford it" (not).
But since the average financial literacy is very low and several people look for the loudest monkey in the room this guy got successful