Optimus privately told Ratchet how it felt when he bonded to the Matrix. No one else knew. And when he asked Rodimus how it felt, this was his response:
Optimus lied and basically said “Oh same”
And then, YEARS later, in the Optimus Prime comics, Pyra Magna, leader of the Torchbearers of Caminus, says this:
Meanwhile, on Necroworld:
I don’t know about you guys, but I don’t think Optimus Prime is “The Arisen”, “The True Prime”.
imagine if like every so often, Soundwave lures Starscream around the ship/base/whatever and they always end up at a waste disposal site and Starscream’s like “why are were here Soundwave” and Soundwave just goes “it’s my turn to take out the trash” and they squabble like children while Soundwave tries to shove Starscream headfirst into the bin/compactor thingy and Megatron has to come seperate them