Lots of speculation, but it was probably a gesture of goodwill on the part of Albert of Monaco.
The King sending Andrew to live in Monaco? It's like Andrew living in Bahrain, no way. The King is not going to send his brother to live a life of luxury....especially after today.
https://royalcentral.co.uk/uk/could-the-commonwealth-be-about-to-gain-a-new-member-unexpected-royal-visit-sparks-speculation-216990/
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