What if the sites used SJCL by default, but urged the user to install an official browser plugin that detects the presence of SJCL on a page and falls back to t

What if the sites used SJCL by default, but urged the user to install an official browser plugin that detects the presence of SJCL on a page and falls back to the browser's own copy of SJCL, always trusting it over any copy sent over the wire. It's not perfect but at least gives users a stepping stone to secure communications. The biggest problem with getting users to adopt crypto is giving them stepping stones to something better, and giving them subtle explanations of risks with lesser involved approaches. I understand the fear of giving the user a false sense of security. We should try to mitigate doing so, while still giving a path to adopt best crypto practices over time. Wholesale adoption of crypto by society is only going to happen when people promoting crypto realize that crypto, like everything else competing for the attention of users has a conversion funnel.