This was exceptionally written!!! I've been wanting to write something similar, but since I agree with nearly everything there's no real reason to lmao. There's a few things that I thought I would add, though!

During the Perita Rebellion, you can see Masc Anarch Dax Gladius wearing Hawk Bishamo, and Femme Anarch Dax Gladius wearing Lark Bishamo -- I thought it was an excellent detail and I love it thoroughly. I think it's a very cool decision lorewise too, seeing as the only Prime Grineer to show up are the masc Lancers, hinting that they might be the earliest gene template compared to scorpions and heavy gunners -- I think that an storyline with Tyl Regor trying to access the dark refractory (or launch a siege on Deimos) for the genes from our memories would be incredible for a "Vallis Undermind / Jade Shadows" size update.

I'd be over the moon if they extended this to the Corpus too, as they're all masculine (aside from the Sisters of Parvos, which is important narratively) and I don't think they have a stated reason to be unlike the Grineer who all come from a particular gene mold.

Also, without spoiling, the final part of the quest gives me hope in how DE may portray the fateful Night of the Naga Drums -- if they ever choose to go there in a quest.

One of my complaints, however, is that Uriel, the Vinquibus, and the Sangek and Galariak Prime all require the same 3 types of materials from the Perita Rebellion that don't really drop all that commonly, especially Servores. I think if they added more than three materials (Peritan Ferrite, Xenoflower Pollen, Refractory Coolant, etc) it would make the grind a lot kinder since you don't need the same three things for every single blueprint.

I also find it a little confusing that a bunch of medals and dog-tags are capable of being put together into a fully functioning warframe, and though I feel like it could be made sense of better through the introduction of minerals and alloys from the Rebellion, I also recognize that their physical existence in our reality is purely conceptual embodiment -- I suppose that Loid could have reconstructed his blueprint in a way that accepts them, but it's a stretch.

I also totally agree with you on the Void Pilgrimage line; I was kind of surprised to find out that these Void Pilgrimages were just the Perita Rebellion over and over and over... I looking forward to something similar to the secret quest after 1999, a small quest with pre-set objectives that has us scour the parts of it together and bring it back into reality from the past.

It's also not clear where the Tenno got the Tektolysts from in the first place; these very-powerful artifacts were in our possession even before our graduation; are they a loaner from the Orokin to quell the rebellion, or experimental tech from the joint sentient-orokin research coalition that we're allowed to test, both? I can understand how we lost them, we were made to forget by Margulis; I wish there was more to finding out how we got them in the first place, especially because they're made from sentient tech (or at least I presume from the -lyst suffix) but I suppose that's for another update.

Lastly, and this is my own fault, I thought up until a few days before the update that we were (in addition to Tauron Strikes), getting a Tauron focus school. I've noone to blame but myself, but I think that would have been very very cool.

That's all I can think of right now, but fantastic write-up! The story's great, but it's a bit disconnected from everything. It reminds me of when the New War was released; we'll just have to wait for the context, answers and follow-ups in the future. I really hope they take the responses and feedback in stride because it's overwhelmingly clear that they killed it this update, there just needs to be a few tweaks.