I think Laren's Starfleet past might have affected where they could go with the Odo/Kira relationship.
Since Laren would have had no such history with him - it's possible that relationship could have worked out very differently.
'If the Apocalypse starts, beep me!' - Buffy Summers
'The sky's the limit.....' Jean-Luc Picard, 'All Good Things'
courtesy of Saquist