So I get that the alt reality we saw all season was just a limbo type thing for everyone on the island (well the people that were close) and that obviously Hurley and Ben lived long after Jack died the quote “You made a great No2” and I’m also guessing Saywer, Kate Richard etc…. must have lived to.
But what I don’t get is who Jack son in the alt reality is? Surely you can’t have a kid in limbo that shouldn’t have existed (Claire and Sun kids both existed so I can understand there’s)
And last I’m gutted we didn’t find out what the light, island and smoke was