Never, ever choose theory when you have real world data, otherwise you are no different than the climate imbeciles who keep claiming their theoretical models are the truth, not the thermometers outside their lab windows.
Are you saying that there’s real world data that points to the vaccines as causing a weakening of the immune system? That’s quite a charge to make. So let’s see it, and get down to examining the etiology.
Have there been a large number of adverse episodes? Sure. Have any of them included damaged immune systems? Blood clots, heart inflamations, sure. Again, the real world data has to be examined. And by real scientists. Not camera-hogging fakers.