I did, however, try to make a point that I would never move my business onto a free or pre-revenue site.
FWIW, I knew this could happen when I first started using Posterous, and I deliberately cut my blogging in two. The stuff that is just hot air—like this post—is on Posterous. I could honestly live with losing all of it, permanently. It’s personal and not mission-critical to my livelihood.
The stuff that I cherish, the stuff with code, is on Github. That’s my business, and I treat it differently. They seem to have a working business, and I have an automatic backup strategy, I have other places I can re-host it, I can Jekyl-ize it to a standard web host, I have my own exit plan.
So no quarrel with Posterous, I’m not losing a thing. I’m just pointing out that while I might do something personal with a pre-revenue business, I’m not betting real money on it.