Is antivirus unethical Advertisements have all the downsides, are used in tremendously unethical ways including abhorrent views and as a malware propagation ne

Is antivirus unethical Advertisements have all the downsides, are used in tremendously unethical ways including abhorrent views and as a malware propagation network. It is my duty to put heavy adblockers on as a layer of protection. And it's none of their concern what I download to my computer. If they want to do more serverside logic to make sure I download their crap,it's going right in to /dev/null