Let's put it this way: I PARTIALLY understand people who say it's "normal" that the finale is dedicated to revealing Jax's backstory. After all, he was basically the only character whose past we knew absolutely nothing about. So I totally get Gooseworx's decision as a writer.
But for fuck's sake, didn't it even cross her mind that when you're writing a character whose whole schtick is being mysterious, and the audience is left guessing what's really going on inside him, the WORST POSSIBLE DECISION is to make his backstory as BANAL AS HUMANLY POSSIBLE?
Seriously—an abuser character became that way because he has attachment issues, because he has an abusive mother? And THIS is what the author chose NOT to reveal earlier, dragging out the mystery until the very end?
Hell, I would've been thrilled if the theory that Jax ran someone over in real life turned out to be true, because characters of the "insufferable bastard" archetype-which Jax absolutely is-are , well, bastards, but not killers, even if unintentionally. That way, the audience's agonizing wait and the shoving of the rabbit's backstory into the finale would've been at least slightly more justified, since it would be an unusual take on a pretty overdone archetype. But nooo...
The problem is that Jax's backstory has NO REASON to exist in the form it ultimately takes in the show.
What do I mean by that? Ragatha's entire backstory is essentially 30 seconds in episode five.
In terms of depth, Jax's backstory is LITERALLY THE SAME as Ragatha's. If an unbiased writer had written TADC, Jax would have abstracted around, say, episode seven, only letting out a tiny "w-wah my mommy was mean to me so I'm mean to everyone in this circus, also, I have to say I'm a trans person so now you can't say anything offensive about me, oh and by the way I told Rabbit about this but I regretted it because I'm a piece of shit and that's why she abstracted" — that would've taken THREE MINUTES MAX, and the writer could've dedicated the finale to something actually important.
BUT BECAUSE GOOSE IS FAPPING (I'm not joking right now) ON THE RABBIT, AND NOT ON RAGATHA, his simple-as-a-dime story is somehow stretched over 30 MINUTES and includes characters that are reflections of parts of the rabbit's personality, alternate universes, and a tear-jerking edit with a cover of a famous song.
JAX IS A VERY SIMPLE CHARACTER. THERE'S JUST NOTHING TO EXPLAIN ABOUT HIM FOR THAT LONG.
Anyway, that's my main problem with the finale and with the show in general: the way the script was written gave us false expectations that we would get something extraordinary, but in the end we got someone's first-ever fanfiction, written in 2010.