Imagine going about your life, when a virus develops into a pandemic. Suddenly the rulers of your country are like "We're going to let the virus infect us, don't listen to the outside world".
Most people in your country are like "Awesome!", and ridicule you if trying to opt out
You hear about all these stuff like chronic health issues the virus causes, in different research papers available on the internet. It appears to be a serious problem, likely to ruin many lives. You do however never hear it mentioned in the debate in your country.
On the news you hear people with fancy titles, downplaying the virus, and ridiculing other countries for trying to stop it.
The resistance is futile, they say. We are all going to get infected in the end anyways.
You see the schools in other countries closing down, but in your own country they remain open. Parents are not allowed to keep their children at home. If they do, they are punished by the government, shunned as bad parents by those who think the herd immunity strategy is awesome.
You later find out that the people leading the response to the pandemic, reasons around how it is beneficial to keep schools open in e-mails with each other. They reflect on the benefits of open schools, for children getting infected, thus contributing to the herd immunity.