"What is a good diet for human beings" is definitely a meaningful question.
I would definitely support a solution that works, whatever it is. However, it would have to work for everyone and work reasonably well.
Good, you're not completely dogmatic.
It would have to be a progressive, not regressive solution.
wtf is a progressive solution.
"You need tender loving care once a week - so that I can slap you into shape." - Ellyn Mustard