What is the ruling on migrating from a city to a rural area for permanent settlement without a legitimate Sharia excuse, and is it considered one of the major sins?

Journeying to the desert for permanent residency is dispraised in Islamic law because dwelling in the desert instills harshness, distances one from the means of perfecting religion, and leads to missing congregational prayers and Friday prayers. "Becoming a Bedouin after the Hijra" may be considered one of the major sins, which is when a Muslim who has made a legitimate Hijra returns to nomadism.