You mean what's the next bogus food fad? All food is healthy, and "clean" (whatever that means in this context" and "healthy" are just ways people participate in the orthorexic food fads that curse the modern world.
"Organic", gluten-free, paleo, whatever diets. All nonsense.
The idea that there are magical "good" foods and "unhealthy" evil foods is disordered eating. There are no unhealthy foods, but there are unhealthy diets.