Vaccine Passport Missteps We Should Not Repeat

Seeing how things are going in Israel the vaccine route seems like a dead end on the long term. We are not catching up with the variants and they are even considering people with 2 shots not fully vaccinated:

https://www.wsj.com/articles/in-israel-being-fully-vaccinate...

Wouldn't it be more productive to limit the vaccines for risk populations to minimize the progression of variants and find better treatments for the rest of the people?