Locutus of Bored wrote:
I've got certain issues with the Bak'u's rigid ideology in regard to both the Son'a when they were exiled and towards Picard's crew, but nothing you say above is supported by the film at all.
I know the film states that they were exiled, but based on how readily the Ba'ku welcome them back at the end of the film it seems more like a self-exile. They tried to take over the colony (including a return to technology), were found to be in the minority, and subsequently left. It seems as if the Ba'ku would not have kicked them off the planet if the Son'a simply abandoned their plans to use technology.
As another poster upthread stated, the Ba'ku had very simple rules for their planet: No technology. They would probably have been receptive to offworlders if they had been asked, but no one bothered to ask.
As far as the Federation establishing a "spa" or rehab colony on the planet, it would probably have to be governed under the local laws of the Ba'ku, including no technology. That would limit the number of Federation citizens interested in making the planet a home. Being that the planet was in the Briar Patch and not very hospitable to travel in the first place, it makes sense why the Federation agreed to the particle theft plan. They (wrongly) figured no one would want to live on that crappy planet anyway.