I haven't read the whole thread thus far--too many posts and too much back-and-forth--but I'm merely going to comment on what I've seen so far.
Regarding the debate about simple fighters and simple wizards: the wizard will always be more complicated than the fighter, all other things presumed equal. The fighter can swing a sword and shoot a bow. The wizard can do these also, and he may use magic on top of this. Even if you simplify the wizard to the point where all he can do is cast magic missile, the wizard has one additional mechanic atop the fighter's.
Regarding realism of the fighter, please keep in mind this historical tidbit on longbow use: "Considerable practice was required to produce the swift and effective combat shooting required. Skeletons of longbow archers are recognisably deformed, with enlarged left arms and often bone spurs on left wrists, left shoulders and right fingers." Thus, if one is interested in concepts of simulationism, a skilled longbow fighter should be "recognizably deformed," probably with penalties in melee combat.
High-level fighters are expected they can cut through a dragon's hide with their swords. I don't want weird narrative/metagame abilities in 5e (there are a handful of these in 4e, which I despise), but I don't really care if the fighter can charge and knock a dragon over.
Regarding the debate about simple fighters and simple wizards: the wizard will always be more complicated than the fighter, all other things presumed equal. The fighter can swing a sword and shoot a bow. The wizard can do these also, and he may use magic on top of this. Even if you simplify the wizard to the point where all he can do is cast magic missile, the wizard has one additional mechanic atop the fighter's.
Regarding realism of the fighter, please keep in mind this historical tidbit on longbow use: "Considerable practice was required to produce the swift and effective combat shooting required. Skeletons of longbow archers are recognisably deformed, with enlarged left arms and often bone spurs on left wrists, left shoulders and right fingers." Thus, if one is interested in concepts of simulationism, a skilled longbow fighter should be "recognizably deformed," probably with penalties in melee combat.
High-level fighters are expected they can cut through a dragon's hide with their swords. I don't want weird narrative/metagame abilities in 5e (there are a handful of these in 4e, which I despise), but I don't really care if the fighter can charge and knock a dragon over.