You're being very naive.
Previous peace activists were dealing with a different west bank.
It's too late to dismantle all the west bank settlements.
The majority on both sides know two state is over.
It's a nice thing to talk about but it's too late.
Of course there are liberal factions among Israeli Jews, but fewer and fewer numbers and you'll never see a majority of Israeli Jews voting for national suicide (one nation equal votes).
If I had the answers that would be politically acceptable for both sides, I would say, but this situation is the opposite of simple.