If you call someone trash and they call you out for a 1v1 and you refuse to 1v1 them, guess who the trash kid is? Yeah, it's you.
If you are the above person, then uninstall and go play Habbo or something.
And for the specials who are inevitably gonna be like '1v1 means nothing' etc etc - There's literally a professional 1v1 tournament that the pro's take seriously so, yeah 1v1 DOES mean something. ;)