the reason I made this distinction was mainly due to the cultural similarities the UK shares with the US (not only the language), which should result in the UK being overrepresented in this poll (compared to the rest of Europe).
I didn't want to split this up too much, and because of the (kind of) US-centric nature of HN I just wanted to get a rough estimate about where people reside.
I've always thought that a lot of people from the UK are guilty of thinking US, UK, Maybe France, Germany, Spain, RoW (Rest of World)
Thankfully the internet and travel have made the world a smaller place and these opinions are starting to break down!