It is possible that you have not visited this threadOkay one last try. Ill be as neutral as i can.
It is possible to eat healthy as a carnivore.
It is possible to eat healthy as a vegan.
Both have their pros and cons. Both diets require planning if you wish to get all essential building blocks for your body. What can i say, every health guru has his/her preferences what is good for you and what should be avoided. Only you can tell what suits you, so try out different things and then decide.
Important threads for Diet and Health
and read some of the threads therein.
I recommend the Life without Bread and the Ketogenic threads.
You should be able to put your science background to work here, if you think knowledge is worth it
The reason people look at the issue differently than you is that they have read those threads, and the rquisite books, and so have a good understanding of what's at steak here.