I am at a complete loss... (sure to be paraphrased

I am at a complete loss... (sure to be paraphrased) as to why given the glaring evidence of whack-a-mole methodology in vaccines...they continue on the same path producing even more vaccines that get stickhandled by the mutation of viruses designing themselves to be immune to predation. WTF am I missing from this picture. Can anyone say Therapeutics?...incidentally,...before the last 14 months in the Biotech world I was heavy into the Marijuana World...maybe I'm having a contact high.