Having everyone have a common cold whole year round (we would have to get infected with new strains every few days) seems like 10x worse then just ignoring the pandemic and letting everyone get covid
You're immune system would wipe out covid pretty fast if you had a cold year round. Iga was shown early as one of the most immediate responders that kills covid. in fact that's what our vaccine is trying to get your body to coax out when it sees the spike protein.
