Many things "should be." However, the lack of an appropriate tax base should not be deemed free license to maximize profit irrespective of the cost to the environment or the other island residents.
Recently I was present during a conversation where a Reef Village purchaser was asked about information that RV's sewer/septic system was built improperly and was leaking. Not only was there not a direct response to the inquiry, there didn't seem to be any concern at all on the part of the purchaser.
The prevalence of such improvident, myopic thinking will eventually destroy Ambergris Caye.

I can never remember which is better . . . safe? . . . or sorry?