Ok, what about the next 5-10 years after a huge economic collapse, you do know what that causes right, health care standards drop, people slip into poverty, people become homeless and cant afford to eat.
You mention old people, they are really expensive, they require more healthcare, they dont work, they dont put into system anymore and require more out of it, where does that money come from? it cant just come out of thin air, people in the last year of their life often cost medically about what they cost in the entire rest of their life, so 50% of your medical cost in often in the last year of your life, how can we afford that when the economy crashes, we cant.
Rather than losing lets says ma few million now we will lose many more over a longer time period, the UK might have 100k deaths then is over but the economic crash will cause more, i have mental health issues, if the quality of the care i receive falls or becomes less available because of its cost i might end up with no help at all and that could lead me to suicide, you dont think any this through, it all costs money and that money needs to come from somewhere....
The world cant just stop or it all collapses.
Also what happens when lock down stops, the virus is still there and it will just spread again, and then lock down happens again, more economic damage, then we open again and cycle repeats, till in about 12 months we have the same amount of deaths and no one can afford to live, good call.
What about student, a lot of them can hardly afford to live, so that means global education is going to fall massively, do you see how this effects everything, its actually in the long term for everyone to take more deaths not so everything else can keep running and survive, stop feeling, start thinking.