You forget the other side, though. There are tons of people like my in-laws who used to get all sorts of malware thanks to IE, and once they switched to Firefox

You forget the other side, though. There are tons of people like my in-laws who used to get all sorts of malware thanks to IE, and once they switched to Firefox or Chrome no longer do. There's a pretty large group of non-technical people out there who have found not using IE makes their life more pleasant.