Britain's Parliament has debated 9 petitions about Brexit in the past two years. None of them appeared to have inspired the government to change course. https://nyti.ms/2JvUlll
He previously described Brexit as "the xenophobically inspired severing of painstakingly built-up relationships with European partners" http://www.theneweuropean.co.uk/top-stories/richard-dawkins-the-latest-person-to-consider-the-move-1-5514342