Uh oh your projecting again.
Bit of a jump to go from "eradicate Israel/all Israel" to "eradicate all israeli jews".
Again Zionist playbook.
River to the sea does not mean that and either you know this or you should actually do some proper research.
The fact Israel colonised occupied land started this off. It wasn't just an empty bit of land.
So you're holding a phrase to its meaning 100 years ago and not its current meaning. Language evolves get over it.
Just because the current resident wasn't the original owner of a house, it does not give you the right to evict him and squat in it.
Most Palestinians were there before ww1, sounds like you are describing the European and American Jews.