So bring back capital controls. 10,000 wealthy can leave the country - just without all their wealth. Plenty of Western countries had limits until the seventies and eighties.
In the 90s it was not too hard to get a diplomat passport of a developing country, even if you have never set foot on it.
Worst case scenario is when you going to operate from a jacht under a Monaco flag at St Tropez harbour. Life is cruel.