I think your analogy is not suitable. Doing physical exercise does not have risks of infecting your body with viruses (malware). And will not invade your privac

I think your analogy is not suitable. Doing physical exercise does not have risks of infecting your body with viruses (malware). And will not invade your privacy for sure. I am amazed at the fact the ublock origin is the best security defence we have. I install it on my relatives machine and most of their problems dissappears.