Retribution seems antithetical to Star Trek. Certainly, there have been times when the main characters act in a way that reflect the losses they had in the past, like Worf refusing to donate blood for an injured Romulan. However, it would ring untrue to end the series that way. Even Kirk could forgive the Klingons. DS9 ends by Sisko sacrificing himself, stopping Dukat from unleashing an apocalypse. It was an act to defend Bajor, not an act to eliminate a bad guy or to revenge a wrong. That's very Trek.
That's very Federation. It's not how a Bajoran