It is myopic to think that RDs blindly follow the food guide pyramid. That was 2 models ago. We have had MyPyramid and now MyPlate since, which are BASIC guides to give people who don't know much about nutrition a means to plan their meals.
Please forgive older RDs who don't have the science-based and evidence-based and research-based education we now have. Older MDs used to not have the science based education newer MDs have. As times have changed, allopathic medicine has become more evidence-based to differentiate from the quackery that is naturopathic. For example, RDs used to think that too much protein was harmful to the kidneys, but now there is evidence that shows that the hyperfiltration that occurs in kidneys is a normal physiologic response. Theoretically, the previous thought was valid, but evidence-wise it is no longer that. If people are still blaming RDs because eggs went bad, then good, then bad, then good, etc. and the food guide pyramid wasn't your cup of tea for whatever reason, the profession has changed its curriculum and practice.
Furthermore, the dietary guidelines, which are a LONG document if you care to read, are well-researched by people who know more than you and me. RDs are trained to understand what was written and translate it to the public. But if you'd rather bury your head in the sand because 30 years ago the profession wasn't as science-based as it is now, then live in your hole.
Also keep in mind that we have a Canadian dietetics student and an American graduate and current dietetic intern speaking. I honestly don't know what Canada does and would be interested in reading up on whatever you disagree with. Is Canada part of the Academy of Nutrition and Dietetics, the largest network of food and nutrition professionals that puts out the RD credential in America? AND has like 80,000 members. No other nutrition credential out there has the rigorous requirements or member base. You cannot get an institutional job without an RD, but you can go into business/private practice with any certification you print out on the internet, such as the CCN, the CNS, the CN, etc. Look up their membership bases...it's laughable. It's created by people who didn't want to go back to school for the RD and would rather take a shortcut.