Let me put it this way, if Bretons from Saint-Malo called it that, and were the first human settlers, then that's it's name.
Things with a history like that should not be trifled with by later illegal alien invaders you know.
Particularly when it was done by folks who were probably among my closer relatives in the world at that time.
Stating that Malvineas is the name is repugnant to the UK and is exactly the type of provocative language used by the Argentines in the run-up to that little war. - and you know it.