and d article long ooo, u no fit summarize

and to your theories above.
1.) Jon is wounded and not dead because he got stabbed while wearing a lot of clothing, an angry giant, hundreds of Wildlings and most Black Brothers are loyal and ~2m away from his body.

2.) Funny thing about Wildlings and Watch: They have a history with the dead rising and would take action to prevent that.

3.) Terribly unlikely.

4.) That would waste the entire Wall storyline, one of the three main plots and apparently the most important one. No other POV could take over.

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1) Martin promised Jon would find out his parantage. Up till no he hasn't.
2) Martin said in an interview we all shouldn't be so sure he was dead (set up the second cliffhanger).
3) Jon's parantage, whether you're a fan or not of him or the plot, is one of the pillars of the series. Jon dead=dead is pretty anti-climatic and lame from a plot point of view.
4) There are no major POVs left at the Wall itself. There are numorous possibilities to rectify this. Bran seeing events through weirwood vision (he's currently physically a long distance from the Wall). Mel getting way more screentime (she only has one POV on her name now). Samwell Tarly coming back to the Wall (this would have to take a while as he is still in Oldtown). Other characters coming to the Wall, like Davos or Arya (this seems unlikely now). New characters getting POVs (Stan, Seleyse, Shireen, Tormund, Wun Wun...). All in all it seems easier to just keep Jon's POV alive.
5) Jon's skinchanging abilities is developing rapidly. He is now able to warg into Ghost during daytime while awake. It stands to reason he will at the very least warg into Ghost right after the assault.
6) Martin made it a point to describe various forms of undeath and ressurrection. Red Mel is a Red Priest, and while we don't see her actually performing the Kiss of Life like Thoros of Myr did, she is a blood magic practicer. His body does not need to mauled now, as Tormund's men should be relatively close by and Wun Wun is a bit pissed off.
7) He could theoretically survive the attack. He's wearing thick clothing. Real life people have survived assassination attempts due to wearing thick enough clothing. Besides his assailants weren't known for their combat prowess. Julius Caesar was stabbed dozens of times but because the senators were hardly warriors only a few were actually fatal. And he was wearing a toga not a leather jerkin and thick overclothes.