Not really US style! As someone once said: "US is run by lawyers, and China engineer." And it is very telling how they both approach this issue of territory expansion.
People tend to use this quote to disparage the US but try asking the Uyghurs and you'll see how treating every problem as an engineering problem is not always a great idea.
If you also look at TikTok through this lens it also explains a lot about how it operates.
Manmade structures are not recognised in international law. This is why Sealand cannot be recognised as a nation.
International law is for the countries that do not have sufficient power to act unilaterally..,
There are various reasons why it can't. The main one being that:
> Since 1987, when the United Kingdom extended its territorial waters to 12 nautical miles, the platform has been in British territory.