>I would really like to see the concept of an image board divorce itself from Japanophilia/otakuism.

Then we must stop calling them "chan".
Think about it, so many chans. Here's a short list:
Kona-chan, Tomo-chan, Sakura-chan, Chiyo-chan,
Shin-chan, Yuki-chan, Haruhi-chan, Jacky Chan, OMGKawiidesu^_________^-chan
and many, many more.