In any event, looking at the whole history of food guidance paints a clearer picture of my point. Happy to hear of alternatives though!
> attempt to improve heart disease rates
The diet basedheart disease science of the early 1990s was totally junk.[2]
[1] https://pubmed.ncbi.nlm.nih.gov/8375951/
[2] https://www.ucsf.edu/news/2016/09/404081/sugar-papers-reveal...
And it's not like the 90s pyramid had sugar at the base.
[1] https://www.science.org/content/article/people-are-bad-repor...