"It is now clear for men <40, dose 2 and dose 3 of Pfizer have more myocarditis than sars-cov-2 infection, and this is true for dose 1 and dose 2 of Moderna."
You need to analyze the total risk of both options to state that getting vaccinated is more dangerous, not just the risk of myocarditis following each.
If you want to say you are doing science, then yes, you need to define what you mean by "healthy" and make the case that the harm from vaccination was greater in your group than the harm from infection.
If you want to say your subjective group is self evidently better off with some option, then don't say you are making a scientific argument.
Unfortunately I don't have the budget to fund a large RCT. It is also worrying that the companies and health authorities with the budgets haven't done so either.
Unless there is some unknown, long term effect from COVID that is yet to manifest itself, it is self-evident that the comment that "It was also more dangerous to healthy young men than just getting COVID, due to myocarditis." is "Absolutely not true" is incorrect.