Social media algorithms created separate information tunnels leading to echo-chambers fed not with information but with affirmation of what their readers had already liked. Each tunnel built up ‘truths’ that appeared incontrovertible: anything that offered a different perspective had been sent down a different tunnel.
Recently there has been a worrying growth in active and headline-grabbing intolerance towards asylum seekers. Pressure groups are increasing efforts to build social and political walls around our communities and country. Globalisation has reduced continents to parishes and a worldwide bout of parochialism has taken hold.