Since we have a global pandemic. This is a completely novel and unusual situation, why wouldn't you think that the solutions will be novel and unusual as well?
>...fully vaccinated individuals with breakthrough infections have peak viral load similar to unvaccinated cases and can efficiently transmit infection in household settings, including to fully vaccinated contacts. Host–virus interactions early in infection may shape the entire viral trajectory.
Source: https://www.thelancet.com/journals/laninf/article/PIIS1473-3...
That benefit is hardly "at best". That's a fantastic intermediate step. Why is it decried as horrible just because it's not the final solution to the problem?