This happens every couple of years, as a populist move in Argentina to avoid tackling the real issues.
The UK will have a nice chuckle, will make some empty threats about protecting its people if needed, and we’ll all move on.
What worries me is that this seems to improve the opinion of those in power, and last time the Falklands came up Theresa May loved every second of it because she could act out her Thatcher cosplay fantasies.