We see him interacting with 'regular' people all the time, and they ADORE him!
(Specially the girls. :)
And the 'realness' of GWB with 'regular' people couldn't be faked--we see way too many pictures. If he was putting on an act we (detailed observers that we are!) could tell. They adore him as you say, and he has great respect, enjoyment, and appreciation for his supporters.