This is a rewriting of history. Before we ever had results from the COVID vaccine trials, the FDA declared that the primary goal of the trials was to prevent any symptomatic infection in the first place. From June 2020: https://www.fda.gov/media/139638/download.
I'm not sure linking to a document with phrases like "As it is possible that a COVID-19 vaccine might be much more effective in preventing severe versus mild COVID-19" really proves that it's "rewriting history" to suggest that preventing all infections or symptomats of a respiratory diseases is an very high bar to set, or that the medical profession hasn't been cognizant of that from the start...
Sure, and Viagra was developed to treat hypertension. The fact that efficacy data changes with the completion of new studies or advent of new strains should be viewed as normal, not as a surprise or some kind of bait and switch.
