It’s not just heart problems. Any sudden death from anyone somewhat young is blamed on the vaccine, without any evidence at all. Compare this to how anti-vaxxers said that the covid death toll was overstated because it supposedly includes people who died with the virus but not because of it.
I think this happens because people believe that ad blockers are “too good to be true”. That was what I first thought when first getting an ad blocker, that there was going to be some kind of “catch” like slowing down websites, making them less functional or being malicious. But it turns out they actually improve performance, rarely affect functionality and are even recommended by the FBI because they protect against malicious advertising.
Rusty as in the Rust programming language.