While a good majority(like me) had it and it worked out well for us (risk vs reward wise), some might not be so lucky and it pissed me off that some people are like frogs in a well with a very narrow viewpoint.
It's now proven that it can cause death. 1 death is more than enough to justify not having it. Neither you or anyone have the right to force people to take that risk for the benefit of others. I only took it because I covered all most my bases and my chances of survival in case of Covid were pretty bad.
It wouldn't be the first time that problems appear after a long time and take ages to be proven. The most extreme example of that that I think is thalidomide.
EDIT: If you are going to reduce it to a game of numbers. Some risk side effects so that the majority goes on with their lives, then... when communists were leveling a church and the houses of 500 people could use the same justification since they were building blocks of flats for 10000 people on that area it was justified?