thepossum, on 2022-July-11, 20:57, said:
Very few industries (other than maybe software technology) keep using the failure of previous versions to sell upgrades
Very few industries are running the Red Queen's race in quite this same manner
The previous versions of the vaccines continue to work just fine against the strains of the virus that they were intended to protect against.
The virus itself is changing
Each year we get a new set of flu shots to protect against new strains of the flu
Why would you expect COVID to be any different