Legacy/non-Legacy quest text differences REDUX: Help wanted!

[Kyan]

Non-legacy players also had a cutscene in which Cid recognizes the PC as having given him his trademark goggles as a youth.

Actually, I do not think that is the context of that particular scene. But first, I was actually referencing two very different scenes which are after this part, once Cid regains his memories (that you help him access). One scene is where Cid clearly says "I rode on an airship with you and we fought the White Raven together and watched the fall of Dalamud and it was totally amazing! We better not tell anyone you're back though because if people know you, the Warrior of Light from 1.0 is back, they will all want a piece of you!" and the other is "I knew people like you, though they were a little cooler cause they tried to stop Dalamud and stuff, and I've done things like this before with them!" [not direct quotes].

What you are referencing, the use of the echo inside Cid's mind, is in fact the same for everyone. Rewatch the scene, and I think you can see that it is more along the lines of Cid acknowledging that he can see your essence in his current thoughts, in is soul, as you access it through the Echo. That is what your character acknowledges when Cid asks afterwards - that you just accessed his thoughts using the Echo. It was a current thing - your essence was currently inside his head - not you visiting his past and altering it by physically giving him goggles. You did not physically give him a pair of goggles - he came from Garlemald with them probably - but that was the moment he started wearing him, and you triggered his memory of that moment, which unleashes all his memories. You gave him something much better than goggles - you gave him a symbolic pair of goggles as you floated all sparkly in the sky which trigged the memory that he was desperately looking for, the moment he first put on that pair of goggles riding into Eorzea.