Troi’s change was about the one thing that he did which wasnt objectionable. It wasn’t a drain on resources.
He risked the mission by spending time looking at his grandkids drawings rather than briefing his xo with enough information that the mission could continue if Jellico had been injured or killed in the likely coming battle.
The fish could have gone at any point with an engineer (maybe Barclay) being unable to fix the holographic fish emitter and Picard telling him “actually I feel like a change”, this ret conning in that the fish were never real and were just a fancy screensaver.
He risked the mission by spending time looking at his grandkids drawings rather than briefing his xo with enough information that the mission could continue if Jellico had been injured or killed in the likely coming battle.
The fish could have gone at any point with an engineer (maybe Barclay) being unable to fix the holographic fish emitter and Picard telling him “actually I feel like a change”, this ret conning in that the fish were never real and were just a fancy screensaver.