> we should be vaccinating people to discourage spread

Vaccinations with current vaccines don't stop infections/spread at all - it's very obvious now with the Delta variant in countries that are already massively vaccinated like Israel and Island.

In fact, vaccinated people can apparently carry just as high of a viral load as unvaccinated people (while vaccinated people will likely experience less symptoms). So the virus will happily keep infecting as many people as it can regardless of the vaccines.