In general trying to do that before a vaccine becomes available would overwhelm public services, trash the economy and kill many of the young fit people who will not all have mild cases.
So does that mean we have to keep our lives on hold and maintain lockdown potentially for the next two years or more? Otherwise, what's the difference between everybody getting it when lockdown is eased/ended and everybody getting it without lockdown ever having happened?
If we keep schools closed for another year or two, our whole education system will be utterly trashed with knock-on effects lasting maybe decades - along with the economy, of course.
Already, there will be children who were in Reception who will actually forget what school was, and will have to re-learn all about it and how it impacts their lives pretty much from scratch - in a Year 1 that is simply not set up to support them in this, because that's what should already have happened in Reception. What about the older kids coming up to exams - will we have a micro-generation who either had to miss a year or two at school or who are one or two years behind where everybody else was (and eventually will be) at their age?
Later on, to all intents and purposes, they could have a two-year shorter fertility window than everybody else, with all of the traumas and societal and financial costs that that could lead to, with them having had to put their lives on hold for two years.
Many years down the line, it could even end up sending the state pension system into more chaos than it already is with them either having to wait two years longer than everybody else to start claiming (for many, representing the difference between actually getting a pension and dying before ever being able to do so) or the economy suffering the shortfall in tax and NI contributions towards it from hundreds of thousands of future claimants!
Could some or all of this happen, or am I jumping to massive conclusions? At the moment, who could possibly know?