CAs want to eat. Also antivirus doesn't prevent users from running a program, it just shows a scary looking message. The whole thing is just a drop in quality a

CAs want to eat. Also antivirus doesn't prevent users from running a program, it just shows a scary looking message. The whole thing is just a drop in quality as viruses are a thing of the past since Vista and as a result antiviruses don't have enough funding to maintain quality.