Also, backed by science, they have been increase in nutritional studies since 2010s, the same orange which our grandma consumed, had 5x more nutrition than the ones we eat today just because of the genetic modifications we have done over the years. So yes, being on the same diet we may need more fitness and hence the recent popularity
But everyone's different. What motivates one person demotivates the other.
Phrasing in things like that matters a lot, how you talk about it and what you talk about.