Open source projects are not always about marketing, adoption and being friendly to everyone. Heck, this particular project didn't even have a stable release for over 10 years...
...meaning the self-absorbed wank is even less justified. And I'm a fan of E.
There are two ways to deviate from a neutral, professional presentation. You can be snarky, mean, or just plain evil (negative), or you can be silly, colorful, and nice (positive). Each of them breeds more emotions of the same kind - excepting those who would wish for a professional presentation, regardless. I want to live in a world where everyone would wish only to breed positive emotions, or none at all.
Also note that E17/EFL is supporting Wayland (http://wayland.freedesktop.org/toolkits.html) - forward looking indeed.
Bo