How do you establish long term safety of the vaccine if you don't have a control group of randomly chosen, unvaccinated people? And if you don't, then how did it get approved?
Just because something is not possible, does not make it any less required.
Yes, it does.
Because that would be like saying, just because all you got is a binocular with very limited magnification/resolving power, satelites for jupiter does not exist, because you cannot see them through it.
Someone should name this fallacy.