Exactly. Even scientists don't know if the things we are doing now are 100% right. We are all confused as well. What's the point of arguing over it?
Just a quote of RTE news:
"Dr O'Sullivan said it is still not known if the vaccine stops transmission of the virus.
If it does not, she said, it would make sense to vaccinate younger age groups who are more social and may be more likely to transmit it, but all factors are being kept under review."
https://www.rte.ie/news/2021/0126/11...reland-update/