It sounds interesting, however, it has absolutely nothing to do with speedrunning. I don't think you really understand the definition of "speedrun".

Just as long as there are no mods you're fine with any version.

B. After all, you're skipping mission and if this gets allowed, then people will start questioning about other missions like "can we skip ___ since we skip a part of EOTL, so why we shouldn't skip it?"

Could you please change my username to Konepe. It really distracts me when my username's first letter isn't upper-cased.