Re: parallels could have had a character from ds9
I think he's looking at it the other way around, DS9 character appearing on TNG. Sisko getting over the loss of wife earlier and getting command of the Enterprise after losing Picard to the Borg and requesting Jadzia to be on the Enterprise as the Chief Science Officer and Data as Chief Operations officer and Second Officer.
You have gone too far. You have married Fester, you have destroyed his spirit, you have taken him from us. All that I could forgive. But Debbie...