Most folks in the real world don't know or care what a root certificate is. If their ISP posts a message telling them they have to install something to continu

Most folks in the real world don't know or care what a root certificate is. If their ISP posts a message telling them they have to install something to continue getting "the best internet possible" or, better yet, when the tech comes to install the modem they just do it as part of the installation service, so few people are going to even think about it, let alone know why they shouldn't want it. Remember... we here aren't an accurate facsimile of the general population.