1. The requirement to involve a 3rd party certificate authority is a needless power grab. Giving in ends the hope that it will ever get changed. 2. There is currently only one free cert provider, if there are ever issues with it, your users will see a scary error message which will make them think there are security issued with your website. 3. Downloading and running code from a 4th, or 5th party and giving it acces…
TLS is public key encryption... a 3rd party attesting to the provenance of public keys is inherent to its design.