Anti-vaxxers cannot comprehend the numbers behind vaccination and that's the problem. It's true that vaccination doesn't stop you getting COVID in all cases but in many cases it does. If we could of stopped even 20% of transmission in Jan/March last year then the pandemic would never have started. The impact of the vaccines cannot be understated.
It's precisely why at the moment cases remain stable at a time when there are few to no restrictions. In December last year we had to go into lockdown with the exact same number of cases because healthcare was swamped and it was leading to thousands of deaths per day.
Today the same number of cases has resulted in level cases and at best 100-200 deaths per day, a 90% decrease from 9 months ago. That's incredible and it only goes to show how much the vaccines have made an impact. The vaccines are the only thing that allow us to watch city in a stadium or to see our family which is again why it's so important to get vaccinated.
Just look at it like this, the vast majority of infections are in younger people which is the age group that is least vaccinated. The scale then decreases linearly by age, IE, the more vaccinated groups have less infections. If we vaccinate more younger people then we should expect cases to fall even more dramatically. The net result is this ends even more transmission and that means less older people or unvaccinated people will get ill and die.
Vaccine passports are one way to get people vaccinated and to keep venues safe by ending these transmission chains and that's the key.