It may be that "they" are incapable of fixing their problems. It may be that "those" who govern PR are inept or corrupt or both. They are both!
At this point and with the island's devastating condition, Marshall Law should be enacted, if it's not already, and all governance at every level should be in the hands of the U.S. military, similar to how we governed Japan after WWII. Unfortunately, we are still trying to coordinate with the PR governor, which is politically correct but a mistake. Marshall Law with no PR politician involvement allowed - is the ticket at this time.
The word you want is “martial” law.