This photo you posted and the wording in it isn't totally correct.
In fact, it was the daughter of the man that died that stated, “Can't imagine how much more he would have suffered if he had not gotten the vaccine.”
She thought her father was experiencing a flare-up of congestive heart failure or a recurring infection. In addition to heart problems, Elizondo had diabetes, making him a greater risk of developing severe COVID-19.
The doctor agreed with the daughters assessment.