Controversial opinion: Jack does not bother me whatsoever. He always brings an energy to the group, even if he's not really contributing anything other than his reactions (which are typically filled with laughter).
Also ... Jack was part of my most-favorite BOTW moment; he can't be THAT bad:
https://youtube.com/watch?v=3plH6M1LadY:1745
Josh, on the other hand ... Total buzzkiller. Definitely a dude that takes himself too seriously (at least on camera ... Maybe he's more chill off-camera, who knows)