I tried this and after a month or two, I was burnt out and achieved much less of what I wanted to achieve outside of my diet. So yeah for me with my particular set of goals in life (ie: work, have a life, etc...) it's pretty impossible.
I know some people who eat the same healthy foods every day to simplify this, but this is a) not something a lot of people can tolerate, and b) not actually good for you in the long run.
Edit:
"7 hours???" No it's not literally 7 hours every single day. The point is that it takes a long time to find recipes, cook, clean, shop, etc. But go ahead and miss the point to fixate on a little detail if you want I guess
Edit 2:
Another thing to consider is that even 'fresh natural healthy non-GMO' ingredients are selectively bred to taste better, resulting in a higher sugar content. This has gotten to the point where it causes issues in zoos [1]
[1] https://www.smh.com.au/national/zoo-won-t-panda-to-taste-say...