That counts TOS too. Status quo by the end of the episode. There is nothing unique about the spinoffs in this regard, nor even really in Abrams' movies.
Admiral Pike would disagree with you.
He's not, nor was ever, meant to really be a main character though. I'm talking Kirk, Spock, McCoy, Scotty, Picard, Data, Worf, Riker. It doesn't matter, these guys mostly all make it out. There is no functional difference there.
I don't know. Even if characters make it out, that doesn't mean there isn't a personal change. TNG actually did an ok job with this over its run, and it became noticeable in Season 7 when they where running out of ideas, and things felt silly for those characters to do.
Survival does not mean not changing. I mean, M*A*S*H uses this to great effect. Watching Hawkeye (in particular) from episode to episode and see a distinct character change, even though it is never was specifically called out. And, no, I'm just saying the changes from Season 1 to Season 11 as I would expect that. I'm talking about different changes even from season to season. There are different nuances in that character, and he isn't the only one.
I would largely disagree that Kirk is the same at the beginning and end of each Abrams film but that is a movie. I think that character goes through some huge character development.
There is much more to character development than "who can we kill off" school of storytelling, which is why I cannot stand Game of Thrones.