Why should “facts on the ground” determine the result? Particularly since the first settlers knowingly acted illegally and unethically.
Due to climate change, the 21st will experience massive migration. Why not relocate the Settlers to 1967 Israel and retain their existing homes in the West Bank for returning Palestinian refugees and overcrowded Gazans.
To the extent relocation is impractical, a residential and commercial corridor could be dedicated connecting Gaza and the West Bank (75 miles).
These are physical barriers or solutions to a legal and ethical problem.