Man, there are some super adamant defenders with this show. I guess if you really can't admit this series has serious writing problems it is easy to make things up to justify the issues, though.
Ridiculous hair colors I can forgive (that's easy), Kirito being a sociopath who displays disturbing admiration for the sociopath game creator...is kind of interesting actually (but he's certainly not a nice guy as others would try and have us believe), every girl being a supermodel is kinda weird but its anime, whatever.
But given the massive level of hype behind this series, I was expecting something better written than middle schooler fanfiction. They say this was his first series as part of a creative writing contest, and damn does it show. Don't try to tell us that these side stories are that much better when Kirito's full characterization from the main plot has already been presented. That's not going to fix it, and is just an excuse for bad writing and poor planning.
Maybe this anime is tailored to those who read the source material. But by no means does that constitute it being given a free pass from many of the well-deserved criticisms.