It is a super popular viewpoint in certain populations. It might not be _your_ view point, but there are may people who want exactly this. They usually won't say it out loud because they want all the support they can get.

Should I remind that Palestine is against the two state solution? What would happen with the Israelis if Palestine will be free from the river to the sea?

Both sides are damnable in this conflict, but I don't buy this idea of the gazans "just wanting peace".