Really interesting is, that that they came there by boat, but lost the ability to build boats or stopped doing so for whatever reasons, that they could not even travel between the islands anymore.
Maybe it is culturally, I met someone in La Palma who said La Palma is the best place in the world. And he didn't needed to actually go somewhere else to check. Always just been on the island. And it is a beautiful island.
But most old buried bodies showed signs of head injury, from fighting. So it probably was not only paradies back then (or is today).
Fun fact, there are now lots of hippies on the islands, living in caves again, eating mostly wild figs and almonds.
Some other interesting bit, the islands have lots of deep canyons, so the inhabitants of la gomera have invented a whistling language, to communicate.