But UK is not the worse option also, imho. And maybe they preferred native English speakers too.
I presume finance will sort itself out in the end, but there's still a whole continent just across the water guaranteed to have zero issues plus plenty of banking options.
Perhaps they're only interested in headquartering there and not trying to run an actual exchange because getting banking in the UK is still a bitch of a task after all this time. After Coinbase I suppose Gemini is the next option most likely to reassure a bank, but it's still not in the bag by any means.