What's the point with that quite lackluster story in Endwalker?

[Xirean]

Or she could have just used yknow, the echo, that huge plot relevant thing that we’re specifically told there can be used to show others memories.

I also find it odd that we apparently spoke our recollection rather than they all just use the echo to see our memories and we see what that looks like from the outside perspective for a change. Takes like 2 seconds then we continue the conversation. Nah let's talk and fade to black.