I guess I'm prejudiced against wormholes. Let's wait until one of the experts arrives.
Well, my suspicion is that we are all right but that we are talking about different phenomena. If we ever get on the same page, then we will be even more right than we were before! =)
The one part I'm not 100% certain about is what happens if you have two starships communicating with one another using an ansible operating on a different inertial plane than either starship. To be honest, I haven't really thought about that because my life is complicated enough already.
Waiting commenced. Make it so!