$100,000 in order to acquire citizenship when you currently have no citizenship is a great price.
And, as long as he broke no US laws, it is none of our business how he came up with the 100k.
I assume the UAE could be a problematic location if/when bigtime SHTF in the mideast. This guy is likely buying himself a nice insurance policy.
I can only hope you didn’t break a sweat to write what I already know.