In the case described here, a corrupt Honduran govenrment brings in foreign investors to create, govern and by many definitions, exploit areas within Honduras, against the consent of the locals.
Doesn't sound that great, but easy to hide with a flag of "good intentions".
You answered your own question. There are many places in the world that have unaccountable governments with terrible legal systems. The idea of charter cities is to have better civic software that what is available locally.
> Remember what happened there two years ago through present?
Hong Kong did fine as long as CCP respected the One Country, Two Systems policy. Things only got bad when they tried to crack down on it. I don't see how it advances your arguments.