>>725811848
>five fingers like a human
Be able to pick up weapons and wield them to replace shit that ran out of ammo instead of being stuck with launch weapons.
>articulating head like a human
They often house main sensors and cameras, providing image feed from a better clearer, higher point. It's also harder to hit the head anyway.
In a veru specific cases the pilot needs an ambulatory head because he's looking directly through the scopes in the head itself