I'm very much in favour of using (or even mandating) air purifiers and dissuading (or banning) people from going to work or sending their kids to school with a communicable disease (including any respiratory illness, not just COVID-19; people seem to think "It's not Covid. So, it doesn't matter.").

Implementing such highly useful measures hasn't been tried, though, at least not at any meaningful scale. Everything politicians tried was about more restrictions and ever more severe lockdowns.

> Vaccines aren't perfect, even including them about 3-5% of the infected have a risk for debilitating long-covid (i.e. ME/CFS). It's not a gamble I want to take part in.

Again, I'm totally fine with that. I'm myself still getting vaccinated once a year with an updated vaccine and I occasionally still wear masks depending in the setting (cramped indoor spaces, particularly during cold season).

If people personally want to avoid that risk that's perfectly ok. Demanding others behave in a certain way (e.g., by enforcing restrictions on their freedom of movement) is not, though.