If he wanted “not to benefit” because of a “shortage of vaccines” then maybe the first one was saline[a placebo]? But also this is not logic because then he could also have received the second one as a placebo[saline] if he decided.

https://www.jpost.com/breaking-news/pfizer-ceos-israel-visit-cancelled-because-he-is-unvaccinated-report-661100?utm_source=ActiveCampaign&utm_medium=email&utm_content=Coronavirus%3A+Gov+t+approves+gradual+reopening+of+restaurants%2C+airport&utm_campaign=March+6+Night