It’s you who don’t understand how true vaccines work. You claim vaccines only lessen severity and never stop transmission. That is flat wrong for nearly every vaccine before COVID. I didn’t get my polio vaccine so I could get polio not as bad. I got it so I couldn’t get it at all. Measles, polio, smallpox, rubella, and mumps shots (and so many more) made people immune. Vaccinated people did not get infected and did not transmit the disease. That is how those illnesses were controlled or wiped out in many places. The COVID shots were different. They reduced severe disease but did not reliably prevent infection or stop spread, especially after the first two strains. Because they fell short of traditional standards, the CDC quietly changed the definition in September 2021. Before: "A product that stimulates a person's immune system to produce immunity to a specific disease." After: "A preparation that is used to stimulate the body's immune response against diseases." They moved the goalposts when the new vaccines did not deliver classic immunity. Do not pretend everyone with basic knowledge agrees with the revised story. The change itself proves the original claim was overhyped.