My theory is : no matter the lockdown, the virus will always be there (it will come back) and people who would die from it will die from it anyway, but due to t

My theory is : no matter the lockdown, the virus will always be there (it will come back) and people who would die from it will die from it anyway, but due to the lockdown they just won't die all at same time. If they won't die from covid19, they will die from another flu or another complication. The lockdown only buys them time so a vaccine can be developed specifically for covid19 How much economy (including lives that depend on the economy) are we willing to sacrifice to save 0.001% of the world population.... ? I'm sorry but all of this doesn't make sense in regards to the "effort" made to save elderlies in the past.