Money. Lots and lots of money.

Given the population is always under 10k, and it doesn't serve as an interconnection point for any further points along the way (unlike e.g. Hawaii or Guam), it's just not worth it, apparently.

Another commmenter posted this above: https://www.convergencialatina.com/News-Detail/324197-3-8-Da...

Starlink will be available there in less than a year and should be quite sufficient. Possibly even better latency than fiber.