He described the runaround and crap healthcare he'd gotten from Kaiser Permanente. Some may blame the company for his death.
KaiPerm does not handle more urgent/serious health problems very well. I had Kaiser at one company, decades ago, because that was what they had (the company was Kaiser Electronics, so there was an historical tie). Since then KaiPerm has gone from a "No!" to an "Oh Hell, NO!" for me due to almost mishandling a friend's baby with a critical problem (the friend had to find a way to bypass their pediatrician and get the problem resolved by a different Kaiser facility and doctor).
As for
The Vaccine and prostate cancer, prostate cancer has been around millennia longer than
Bogey-mRNA vaccines.