For what it's worth, the Electronic Frontier Foundation feels sufficiently strongly that people should be using SSL that they offer an
HTTPS everywhere plugin for Firefox and Chrome.
Further, not all of my web communications are public. I am keeping
some data that should not be public on my web server. It wouldn't be the end of the world if it became public, but I need to at least attempt to keep it private.
Finally, I invest the effort because as a scholar who may occasionally need to protect confidentiality, I want to have secure communication already set up. So I try, as much as is practicable, to be secure by default.