Given the number of bad financial decisions people make because they don't really understand those things I'm not sure that those comparisons are helping your case, but even so, for a lot of people it IS more complicated than those things because they are afraid of technology in a way that they aren't afraid of tangible things.

Solving 99% of technical problems requires nothing more than Google and following instructions in the first result, but people still can't handle it. Most people haven't given running a website enough thought that they would even know what to look for. A good portion don't even really understand URLs enough to type facebook.com into the address bar instead of Googling Facebook and clicking the first result.