Some time ago we agreed on the convention of referring to White as female on SL. Do we want to revisit that agreement?

That "convention" is confusingly inconsistent with what can be regarded as the philosophical roots of Go, and luckily not used all that much outside SL. Based on a fulltext search, I estimate a little more than a hundred pages (out of 13476) which explicitely make use of such an assignement. I don`t see a reason to further encourage that usage, let alone on an introductory page. Instead, I would rather recommend to skip assigning genders to colors alltogether.

However, since the typical reader of a page like Black or White doesn`t know about that fuss yet, there`s no need to bother him/her with any such recommendation anyway. That is why I simply moved the concerning information, reworded in a more NPOVish way, to the footnote.