There were a few categories of reasons. The ones that are persistent are "I'm going to vote for anarchy because politics does no good for me", "I'm racist and

There were a few categories of reasons. The ones that are persistent are "I'm going to vote for anarchy because politics does no good for me", "I'm racist and don't understand that this doesn't get rid of people I really want to get rid of but really want it to so whatever" and "I'm xenophobic and haven't accepted that there isn't a British Empire anymore". There may be fringe cases around specific regulations, but those were the main three. People were voting for whatever they wanted Brexit to be, most of which is pure fantasy, not what it actually is, which is a clusterfuck of badness, and zero benefit to anyone. I say this as someone _who was a member of the Conservative Party at the time_, though the fact that the candidate in my constituency since 2010 was Jacob Rees Mogg meant I have voted against them in every election since then.