Flatscan
Ive no idea why your bigest criticism of Runequest is the precence of ducks in Glorantha. It mystifies me. You can accept demonlords no problem, why? I suspect because you think they are 'cule', theyre all dangerous and stuff. Can you accept the presence of hobbits as a plot device in Lord of the Rings? A small race that has a passing connection to rabbits (the word 'hobbit' alluding to the word 'rabbit'?). Chosen to make the journey into darkness seem even more horrific? Its all about colour, man.
Ducks were originally proud warriors with a martial honour code, they displeased the gods and were cursed into, not a predictable horrific form, but a humiliating one. A form that many would mock, and, maybe, underestimate. What a fantastic curse! The gods are sentient, clever and fully rounded creatures in Glorantha.
Of course, Glorantha being one of the deepest fantasy worlds around, it describes not how the ducks were shamed by this curse, and hid themselves away, no, the ducks are nothing, if not practical. They make their own mythology, their own society out of the wreckage. Colour, you see Flatscan? Not just 200 cool-looking cardboard cutout demonlords for players to smite, one after the other in a cookie-cutter fantasy world where nothing can exist, if it is not, in some way, 'cool'.
Ducks are indefensible? Rubbish. You spout absolute tosh in this instence Flatscan.