From another perspective, one repo should allow you to gain more traction as all stars/forks/pull requests/commits will be aggregated on it, and thus produce higher visibility on GitHub (and probably anything that scans github stats).

Additionally, using a single repo would allow me to fork and specify my own styles that I want applied to any work I "compile", and these might be hyper-specific.

I'm actually willing to help consolidate these repos if you're willing to go in this direction. I'd also like to hear reasoning for multiple repos if there's something I'm missing.