Wiseness or Luck

Efficacy of prevailing Vaccinations is not always on Mutant strains in CoV-19 happens one after another. The status now could be foreseen because mutant strain is nothing but the business of virus strain and planted Gene is not alway effective on every strain at all. Then, why vaccinations were performed competing a head on Generic Public in spite of Life-threatening gambling? A bad habit losing to the threatening pressure destined us at that time? We did studied enough 70 years ago on our dangerous innate Character after loosing 3,300,000 compatriots after the former War. Do we know so firmly where to go, what direction is correct to save our lives? It is true that the difficulty to come across with a truly reliable article is just finding out a piece of small straw in the vast sea, though this is a common sense in Scientific field. As for myself, I could have led a life in a Peace period of time between the war repeating every 50 years in the world, it is only by chance, living safe is depending on Luck while sneaking through various life crisis.