Not in regards to this site, but in regards to all of literature, yes.
Systems' Out! and the whole
Sunspot Chronicles is written specifically because there are so very few books out there with more than one plural system in them, and with those systems as the heroes.
We wanted something where someone with DID or OSDD or who is an endogenic non-disordered system could be browsing through the science fiction section of wherever there might be books and come across it and say, "Holy shit. Is this
really just a sci-fi novel with someone like us in it?" And then look more closely and realize that it is.
It'd be cool to get it traditionally published and get the distribution from that, but that's not happening. So, it's online for free, so it can easily be passed around between those that need it.