Earlier quoted context omitted.
> relying on vaccination and sterilisation too much, causes the immune system to be weak I think you fundamentally misunderstand the mechanism of vaccination.
I think I do, but do you? Because the way I understand it, vaccination trains only a very specific part of the immune system. Which is then indeed effective against the very specific virus, but does not really increase your general immune system strength.
If you want a better overall immune system eat better and excercise, there is zero reason to avoid a vaccine unless you're immunocompromised or allergic