Brexit was not the result of Russian hacking: it was the result of British voting.

The Russians are not the evil super-geniuses you imagine in your conspiracy theory. Put your aluminum foil hat on before the Russians hack your brain and turn you into a Russian troll. Unlikely, you say? Well it is just as likely as Russian hackers controlling the US election and the UK Brexit referendum. If they could do that, La Penn would have won the French Election.