"They all said it but not in relation to Delta or Omicron, only earlier strains. It mutated and the vaccine lost as vast portion its efficacy. It wasn't a lie, nor was it wrong regarding the strain that it was designed for."
There's the problem right there. The vaccines are a non-sterilizing (otherwise known as 'leaky') to a virus that rapidly mutates. This was well known before they came out and were mandated. How about some low-cost therapeutics to ease the pressure. The problem with that is 'low-cost'.
Many billions are to be made elsewhere.