Usually the virus mutates in less lethal direction because a virus "dies" together when infected person dies, so its better for them not to kill their victim.
Hovewer with only 5% death rate it isn't important factor, so we couldnt predict how would virus evolve. And the vaccine was not a month ahead but 2 years.
The government didnt know the exact nature of the virus, and what would happen so they adopted careful "wait & see" and lets see reports from somewhere else.
Another factor, humanity requires from us that we make attempts to save people. Whether it actually helped or not.
5% death rate? Fatality rate from covid was nowhere near even 1%. Why are you throwing out bullshit numbers?
And EVERYONE knew the exact nature of the virus. It's a coronavirus. We knew how it was spread, we knew it's dormancy time (2 weeks standard, up to a month in some cases), we also knew there was no realistic way to contain it.
Coronaviruses are common. All of them share all their basic features in common. The only thing we really didn't know about covid was how to treat it.
Best way to treat it? A Z Pack, Ivermectin, and monoclonal antibodies. The mRNA shot was a shot in the dark that missed and hit the poor lady who was walking her cat. Didn't provide immunity, didn't provide resistance, didn't impact the spread or the virus in any way. Just like the lockdowns.
Honestly, "we didn't know anything about it!" Yes we did. We knew a HUGE amount about it, right down to the fact that it was lab-produced, as Taiwan pointed out and showed the evidence of back in December 2019.
You're so ignorant on this subject it's almost wild that you bother talking about it at all.
Go enjoy your smoke and mirrors, kiddo. Useful idiot is clearly the answer.