So far, it seems that people infected with SARS-CoV-2 in 2020 had a 2.34 times greater chance of reinfection compared to those who were fully vaccinated. Reduced Risk of Reinfection with SARS-CoV-2 After COVID-19...You are correct. Nothing you can SAY will convince me and clearly you cannot provide the data and numbers that I requested.
You could always just google this information yourself if you were truly interested in being well informed before making your vaccination decision.