It's okay if you don't like Oblivion, but don't repeat something if you know that it's been proven wrong.
But it hasn't proven, it's only belived to be so.
That might be true, but the descriptions don't have to be wrong, just because of that.
Yes, but they don't have to be right. Maybe they just mixed image of Nagas with many-aged gold-skinned enemies of Empoire.
If they were descriptions of Khajiit, then there wouldn't be information about their leaders and culture, which there is, that could be anything other than Khajiit.
Leader of Ko-Po-Tun is Akatosh. Khajiits worship Akatosh too.
By the way, moving from crypto-akaviri teories - the most strange thing about the Pale Pass is even not the bipedal akavirians, but theis shields and armor.
Because of
As has often been stated, the Akaviri, particularly the Tsaesci, understood weaponry better than armor. Even if they could not wear it themselves, the knight was able to explain to the other Syffim what the weaknesses were in their opponent's armor, explaining to them how many joints there were in a pauldon and a grieve, and the differences between Aketons and Armkachens, Gorgets and Gliedshrims, Palettes and Pasguards, Tabards and Tassettes.
and
"This will be fascinating to watch," hissed the Potentate, a wide grin across his narrow face. "I don't know if I've even seen a Cyrodiil fight an Akavir like this. Usually it's army against army. At last we can settle which philosophy is better -- to create armor to combat swords as your people do, or to create swords to combat armor as mine do."
...
"We don't have shields in our culture," murmured Versidue-Shaie to the Emperor. "It seems strange to my boy, I imagine. In our country, if you don't want to get hit, you move out of the way."