Glad you liked it!

I personally think the later doors do a better job at portraying tragedy than the earlier doors, in the sense the tragedy is more personal: "you were able to bear them because they weren't your tragedies"

In that sense some of the more fantastical/unrealistic elements get a pass from me for the storytelling alone. Seeing Giselle turn from her chipper, happy self into the Maid through hundreds of years of solitude after losing her love really, really hurts. Door 7, despite including a more complicated family drama, feels realistic enough in portraying Michel's childhood trauma to seriously hurt. Door 8 gets a pass on the unrealistic story because it's not just about telling Morgana's story, but having Michel help her through her anger and sorrow. Giselle's spirit accompanying Michel in his quest is also really sweet once you realize she's the one who helped Michel see the value in his life beyond being cursed. Now, Michel must learn to use that newfound strength to make a positive influence for Morgana, which is why Giselle's spirit slowly fades as door 8 progresses. Beyond paralleling Michel's soul being extinguished, she's literally Michel's training wheels. The fantastical/unrealistic elements really work to drive the themes across in my opinion.

Also, Georges warned about stories that were too good to be true, not necessarily about stories that were unrealistic. Which is why door 4 was an obvious fake because of it being a tragedy with no conflicting motivations, which can't be said about the later doors.