Ignoring Katawa Shojou's blatant tribulations / the overall poor aging of 00's internets thematic and writing and looking at it face value; KW's general message is that it's unfair to look at things and people from an outsider's perspective and presume that they're incomprehensible prejudicially. Everyone is undeniably human regardless, and in this specific story the people face their interpersonal problems the same way as the people outside of the academy walls. Do I recommend reading this? No. As someone who has lived with a mild congenital condition my whole life I can't deny that the majority won't interpret the game as I would and rightly dismiss it off as some insensitive jerkbait, but there's still the inescapable, kinda funny irony that 4Chan believed these characters were the real "eccentric and weird".