-- As of now, NJPW has made a decision to work with ROH but they won't be working with the upcoming All Elite Wrestling. Under that assumption, AEW figured that Kenny Omega would continue working for NJPW and ultimately, they were looking for a partnership with NJPW for other wrestlers too, but it doesn't appear as if that is going to be happening in the short-term.
-- According to Dave Meltzer on Wrestling Observer Radio, this non-relationship with AEW "might have cost them Kenny Omega", with the implication that Omega is still considering his options with AEW.
-- The Twitter account WrestleVotes suggested that WWE has done all they can to sign Omega, offering him a strong contract, and at this time the only thing left is for Omega to make his decision.
Texted a source regarding Omega & WWE’s offer to him. Got back “If they don’t land him, it’s not their fault for lack of effort. They’ve done what they can”
Translation: WWE wants Omega. I’m assuming the offer is strong, especially financially. Decision is all his at this point
— WrestleVotes (@WrestleVotes) January 5, 2019