Why does this board even exist?

I mean its seems like riot only comments on irrelevant things or lore. mainly lore topics

While the general premise of both is "Any topic that doesn't belong somewhere else", GD has a very different community than the rest of the boards. Not everyone that wants to post non-specific discussions wants to be a part of the GD community, and GD has less strict rules as well.

This is GD for people who may be poor, but are significantly richer in heart and sanity