Square, don’t project the world’s ignorance on to chazal and rishonim. Your statements are categorically heretical according to the vast majority of rishonim, who say that chazal were fully versed in all fields of science, informed from fhe Torah. The aruch hashulchan takes it as a given thar such statements are heretical.
Another reason to drop cholov stam; seforim say that cholov yisroel is a segulah for emunah.
The rambam, as it happens, does mention not to eat fatty or sugary foods. Did you ever learn yesodei hatorah before making your sweeping statements?