The things the vax can fuck up in the body are so numerous from what i can tell. Hard to say what issue the vaccine couldnt cause. Id assume thats not a mistake. If the potential side effects are super wide ranging its going to be much harder to notice a trend and successfully figure out that its the vaccine causing such a wide range of issues. Probably the same reason covid has so many potential ways it can fuck you up. Anything could be from covid and anything could be from the vax. This allows them to decide what is what very easily. So of course theyve decided that every random ass symptom people get is a sign of covid and nothing is a sign of vaccine side effects. Its a genius system really.