1) Because it seems easy enough to make one. 2) Plus, there is a huge influx of users up for grabs. Even if you grab 0.5% of the Google Reader users, that's no

1) Because it seems easy enough to make one. 2) Plus, there is a huge influx of users up for grabs. Even if you grab 0.5% of the Google Reader users, that's noticeable. 3) Everyone has their own opinion of exactly what "clean" means.