OK, that helps.

I'm not familiar with that diet -- maybe someone else is and can pop in with some answers?
A few thoughts: I've never heard that anything bad happens to olive oil when you heat it -- is that in the diet? Perhaps they're referring to "frying" as something more like deep-fat frying where the food is immersed in oil at a high temperature? (like French fries) Sauteing in a skillet would use a lower temperature than that kind of high heat frying -- perhaps that's the difference since you said one of the recipes starts out with sauteing in oil?
As far as I'm concerned, you can saute
anything in broth or stock -- I've done onions that way successfully and certainly you can do it for meat and chicken. When I cook beef, it always seems to have enough natural fat that I don't need to add anything (not even PAM) to the pan, even when it's 95% lean ground beef. And I love sliced beef tenderloin seared in a hot pan (no fat) with spices added. When I do chicken for a stirfry, sometimes I'll throw in a little soy sauce when I cook the chicken to keep it moist.
Anyone out there familiar with the Rosedale diet?