I'm generally not impressed by Heston's cookery; I think its a bit of a gimmick and novelty for the sake of itself. I have no doubt that he's a good chef (I also have a couple of his books) and has creative ideas but conversely he pushes his 'unreachable' cookery brand perpetrating a fallacious notion that one can only reach the apex of cookery by using sodium alginate, liquid nitrogen and centrifuges. I also think that his assertion that 'this is the best way to make a chilli, and heres the unverified science...' is also a bit of a gimmick.
One of the 'courses' on his dinner party program was a seagull defecating horseradish sauce onto people wearing old-school yellow raincoats. Another was levitating homemade Maltesers. Sorry to be negative, but I'd much rather someone like HFW or Nigel Slater (yes he is very dull) throw together something intrinsically magical,rustic,homely etc rather than relying on showy novelty. /rant over
Edit: After the rant I read the OP
P) - I think his 'home cooking' branch-out is probably in response to similar criticism Ive just been dishing out and is to target a wider market where people want to cook real food, as opposed to silliness.