So their actions didn’t matter in the end.

Point of order: Just because the end result was the same, doesn’t mean it didn’t matter.

ETA? Estimated Time of Arrival?

In this context, it means “Edited To Add”. I do wish they abbreviated it some other way, since “Estimated Time of Arrival” is a much more common meaning. I would accept “E2A” or something stupid, as long as it was more unique. Alternatively, they could just use “Edit:”.

Edit: added link.

Crap! Someone else is using my PIN. I should change it.