> Even if AV is dangerous 99.999999% of the time (which I think is a bold claim), it would still be better than something which is malicious 100% of the time.

> Even if AV is dangerous 99.999999% of the time (which I think is a bold claim), it would still be better than something which is malicious 100% of the time. You are missing the fact that you are supposed to run the AV software 100% of the time, while you are unlikely to ever download a malicious software, let alone execute it with all kinds of countermeasures, such as code signing, in place these days.