Two of those are redundant. The third came to pass over the course of the show and is therefore - by definition - not backstory.
She knew exactly how to play it and did so excellent. This is a clear case of the actor having a much better fundamental grasp of her character than someone on the interwebz.
It looked ridiculous because it was supposed to look ridiculous in that "silly things kids do to impress their parents" way. She was trying really really hard to be Vulcan, but take one look at her and she she clearly isn't.
She stopped acting Vulcan because she realized she wasn't Vulcan. She acted in a way she thought only true Vulcans -- or her father -- acted and got tossed in the slammer for it.
Then her surrogate father, who is personified by qualities inhibited by only the "truest" of humans betrays her. In the end she realizes the only way she needs to act is in away that's true to her self.
Yes. It's her journey.
Yes.
Nope. First of all, she makes several "decisions" throughout the course of the episode. But the mutiny is the defining moment of the character. It's the launching point for her entire arc. Every scene in Vulcan Hello is preface to that. The entire episode is used to demonstrate her thought processes and give focus to how she came to the decision.
Erm. It's the pivotal decisive character moment of the entire season. It's the moment she realizes that the whole core ideal of her existence , the thing that defined her existentially - her 'Vulcanness' - was a charade.
You mean the spacewalk she had to talk her "by the book" captain into letting her do? Or was it by the book when she took an unwarranted risk after she was out of contact range (thus acting on her own accord) and almost died of radiation poisoning?
Seriously? You're complaining about "backstory overload" and then cite Tolkien as a good example?
The whole point of Burnham is that she's not like any other Star Trek character. The whole introductory scene shows this. She show's up on screen spouting a bunch of technobabble about the pending storm and makes a prediction, just like we've seen Spock or Data or Seven or Dax or T'Pol do 100s of times But the prediction turns out to be incorrect. Spock and Data always got it right.
Then they get to the well, and Georgiou asks her about the weapon setting. She spews some numbers, Georgiou fires and nothing happens The captain waits a moment, gives a look, and fires twice more. Burnham was off again. Like before, Spock or Data would have only needed one shot. In either case, she wasn't exactly "wrong," but it clearly shows she doesn't have the honed mental faculties of a Vulcan or android or ex-Borg, even though she thinks she does.
And then, when they're pacing-out the delta in the sand, She just blindly follows her captain. Anyone else, Riker, Paris, Chuckles, whoever would have sussed out what their captains were doing.
Let's try applying your list from up thread (and whatever nonsensical criteria you used to create it) to someone else. We'll call him "Sisko."
In the first five minutes, he goes from
First Officer of the Saratoga.
To administrator of the Utopia Planitia yards.
To the commander of Starfleet's newest deep space outpost.
He likes to fish with this son.
Is obsessed with baseball.
His father was a gourmet chef and taught him how to cook.
He was the protege of a famous diplomat.
Was one of the few people to survive Wolf 359. Is wife, however, was killed.
Has a strong pagh.
During the course of the pilot episode he:
Befriends a religious leader.
Has an existential religious experience.
Discovers an incredibly significant celestial body that is to have massive geopolitical ramifications.
Becomes the first human to set foot in the Gamma Quadrant.
Makes first contact with non-corporeal, omnipotent entities who serve as the diaties for an entire race.
In turn, becomes a religious figurehead.
Oh. And he "Puts Bajor on the map." ™
I'm sure I could make similar lists for the other captains if it was really required. This whole argument is really silly. And blatantly biased.
**Oh. As far as the others, go watch the first fifteen episodes of a single-character driven show and see how much builing the other characters get. I can assure you it won't be much.