Geoff Purcell wrote:
 >Palaeodiets are mentioned  in many articles nowadays  but nearly
 >always,  at the bottom of the article there is a mention by some
 >clueless, financially-motivated so-called "nutritionist/dietician" who
 >claims that the palaeo diet is  unrealistic in this modern age and
 >tries, absurdly,  to claim that we cannot possibly emulate our palaeo
 >ancestors  in any real way, and that grains and dairy are supposedly
 >"necessary" in order to get all the right nutrients one needs.

True. And some can get nasty about it:

http://nymag.com/daily/intelligencer/2015/04/jeb-bush-is-going-to-get-chubby-again.html

I don't understand why he is always hungry. He isn't doing something 
right. We don't know who is advising him. Or what book is he following.