Because nobody credible in the vaccine industry is saying "we could speed up XYZ if we had a bit more money." If they did, they'd find themselves buried under

Because nobody credible in the vaccine industry is saying "we could speed up XYZ if we had a bit more money." If they did, they'd find themselves buried under an avalanche of cash before they finished the sentence. The story right now is one of the entire industry ramping up production as fast as they possibly can with money being no object.