I vaguely remember something about that. These heart attack issues were not an issue before the vax like they are now. Vaxxers will certainly disagree with me but the evidence continues to mount.
This is the only article I could find about medical issues prior to the vax.
https://buffalonews.com/sports/bills/5-other-on-field-medical-emergencies-in-nfl-history/article_17a2d61a-8b62-11ed-b5dc-7331d3cbbff2.html
I’m not happy about it and I’m generally sympathetic to those who legitimately had no options and a family to support and were coerced in that way
Otherwise I think there are a lot of ppl over the whole political spectrum who took it willingly or for convenience and having trouble with the fact they may have made the wrong choice and denial is their only defense mechanism at this point