So in the end the most interesting data is still how many vaccinated get serious health problems or die versus how many unvaccinated get serious health problems or die in a time and place where both groups are likely to be exposed to the virus. If the group is large enough and randomly selected, then this should be fairly indicative. Of course, the meaning of "serious" needs to be defined and quantified.
AFAIK, myocarditis can be treated very well when its diagnosed, that alone makes the focus on it strange. Maybe the lesson to draw from the debate is that patients should be informed better so they can identify symptoms of myocarditis and seek medical help early. Just an idea...
Because the vaccinated are not immune to the virus, some of them must have gotten covid. The overall risk of this sample still falls with-in the normal range for myocarditis.