they are totally seeing him as a threat! the Will/Liz lovers..they see Jack as a threat because he IS the main character..and the main character's elixir appears to be Elizabeth 😂..honestly I seriously believe that its her..everything points to it..I didn't see him "celebrate"(Jack's smirk/confidence) over gaining anything else after his supreme ordeal do you? He even went though:"Apotheosis" which comes with step 9 and actually means "rise to the rank of a god"..and what did we see during his supreme ordeal? That godlike shot..he even has a halo of light as if he is an angel sent down to protect her.
when did they add Jack onto the ride? 😂
Liz/Will's stories are not all that important. Will's isn't..his has become a sub story really..although because Liz is now Jack's elixir he's going to become Jack's enemy..and who ever becomes jack's enemy people will dislike..and guess what.. Liz's elixir is obviously Jack because she got to stage 5 and accepted him as her elixir...and when she reaches stage 10?.whats going to be her consequence for gaining Jack?? Jack's enemies become her enemies..don't they?
"10) The Road Back. The hero must deal with the consequences of all that he/she has done in order to gain the reward. Often, the villain pursues the hero."
its all pointing towards Jack/Liz being the most preferred couple here..