Well the problem is that antiviruses only know about publicly identified viruses. Everytime a new virus or a variant is released, a good number of computers get

Well the problem is that antiviruses only know about publicly identified viruses. Everytime a new virus or a variant is released, a good number of computers get infected before the virus is identified and fingerprinted. If you are met with a state sponsored virus/malware, good luck with an antivirus companies even acknowledging it. The way I see it, secure boot is like SSL, it stands as the last resort before giving up complete control.