We're talking about herd immunity, not vaccines.
30 seconds and a google search found this:
"The PM must admit an error of judgement and revert to his original ‘herd immunity’ policy as a matter of urgency before it is too late. Let the human immune system do its job and let’s get back to work before too many businesses collapse."
Yes, it is from an opinion post, but if one idiot thinks it...well, we know what the "masses" are like.
Edit to add:
"A senior science adviser to the government has said the UK should consider letting people catch coronavirus in the safest way possible. Professor Graham Medley, who leads the government’s disease modelling team, argued Britain has ‘painted itself into a corner’ with a lockdown which could eventually lead to more harm than the disease itself. He told The Times today: ‘We will have done three weeks of this lockdown so there’s a big decision coming up on 13 April. In broad terms are we going to continue to harm children to protect vulnerable people, or not?’ ‘The measures to control [the disease] cause harm. The principal one is economic, and I don’t mean to the economy generally, I mean to the incomes of people who rely on a continuous stream of money and their children, particularly the school closure aspect ."