It really is an amazing graphical tool. David Dailey has been posting some amazing stuff on Ello: https://ello.co/ddailey
(Which also uses SVG for most of its icons and buttons.)
But ... the potential for advertising/marketing abuse (or just sheer bad design / misuse) is so high. Unless there's a way to quash it....
Sigh. This is why we can't have nice things.