Having multiple respos allows me to exclude stuff that I don't want to see by simply not adding that repo.
Heck, I don't care if you use my software or not. I wrote it for *me* and put it up on the web in case anyone else might want to use it. Until recently there wasn't a document on how to do it, and all the signing stuff looks like a needless PITA. It's a lot easier to maintain my own page.