If effectively you remove the virus from circulation like South Korea did, one wouldn't have to have these continuous lockdowns and quarantines whilst waiting for the vaccine. You wouldn't need the vaccine if the virus is not around.
Is the virus really removed in S Korea? How do you know? Look at N Zealand, which thought it did too, but then found 4 cases and is in lockdown mode again.
Secondly, there is a whole world out there without Tories and "Bozo" which you keep going on about. The story there (France, Spain, Netherlands, Sweden etc) is much the same as here in the UK -- see the video from spike's thread further below. It is pretty clear there is no chance the virus will be removed from any of these countries (not even N Zealand!).
I understand it may be theoretically possible that if the population's immune system is strengthened by other means,..
Well, I'm afraid the opposite is happening: they're doing everything possible to make the population's immune system weaker by avoiding others and wearing masks.