Quote Originally Posted by Fynlar View Post
They have been closely related stronger/weaker cousins of each other in just about every FF game they're both featured in. They have usually even looked pretty similar. Omega raids as a whole have been about paying homage to some of the more infamous adversaries of the series.

And as far as similarities go, "ancient machina employed by the Allagans to capture primals" is a pretty big one.

It's really not that big of a stretch.
Let me dispell a misconception here: you're thinking of Omega Weapon. Omega Weapon is typically the bigger, badder version of Ultima Weapon. And, as of yet, Omega Weapon has yet to appear in XIV.

Omega, on the other hand, is just a really powerful robot from Final Fantasy V that has since become a recurring bonus boss.