As long as the Internet exists (as we know it at least), a browser is simply going to be a requirement. As you probably know, there are several major players in the browser market, each having their own “nuances”. Of course these nuances lead to myths and misconceptions as the infamous “I heard it does this” perpetuates itself across the Internet.
To hopefully bring some organization and clarification to browser myths, I found a writeup of common myths for popular browsers:
I do not know whether or not everything on the site is true, but it is nice to see everything in one place.