The author of a satirical novel about President Donald Trump claimed he was empowered to write the book after he was left frustrated by the result of the EU referendum.
Speaking to Newsnight, Mr Jacobson admitted that he felt the British people had made the wrong decision and insisted the UK should be given another vote.
He said: “Between ourselves, if nobody is listening, I would like to say that democracy gets a hell of a lot wrong.
“Part of my anger in writing this book was fuelled by Brexit.
Howard Jacobson suggested Brexit and Trump voters made the wrong decision
“I was starting to hear all that stuff anytime anybody looked back about Brexit and didn’t like anything they had seen – they were a Remoaner, that bitterness, that get over it stuff.
“As though you were obliged to get over it and you cannot deny the will of the people.
“Well that’s not true, you can deny the will of the people.”
Speaking about both Brexit voters and Americans who voted for billionaire Donald Trump the author insisted that people should be allowed to change their minds.
He added: “Indeed if you believe the will of the people has taken you into a disastrous situation, it’s your positive duty to say so.
“We had this fantasy going on, the people have spoken and that’s it forever. But the people speak every time there is a general election and they change their mind.
If democracy is to work, the people have to be given the opportunity to change their mind
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“If democracy is to work, the people have to be given the opportunity to change their mind.”
The author continued with his rant towards Brexit and President Trump voters as he insisted the voters should be open to criticism.
He said: “I’m suggesting that I think they voted the wrong way. I’m suggesting they were ill-informed and misinformed.
“I’m also highly conscious of the fact that you are not allowed to be rude to the people.
“They are a sacred entity, the people are sacrosanct, well nothing should be sacrosanct.
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“I think if you had voted for Donald Trump, I don’t care what your reasoning is, to vote for a man offering such a meagre meagre view of the world, with so few words to describe the world, or to imagine the world, imprisoned in this minuscule vocabulary.
“Because if you have got no vocabulary you have got no thoughts, to have voted for such a person, is deplorable.”
Newsnight host Emily Maitlis quizzed the author questioning whether his “liberal” viewpoint could not accept people voted for Brexit and Mr Trump.
Mr Jacobson finished: “Democracy works best I think when the people are making the right decisions, what’s wrong with that.”