Complex sentence: Esau chose the BarCamp model as a basis for SkeptiCamp with the goal of distributing knowledge within the skeptical community by encouraging active involvement, ad-hoc group formation, and avoiding the overhead associated with more formal content channels.
Split into simpler sentences: Esau chose the BarCamp model as a basis for SkeptiCamp with a similar goal: The opportunity afforded by SkeptiCamp emphasizes sharing knowledge within local communities of skeptics. The SkeptiCamp format also allows ad-hoc group formation, and avoids the overhead associated with more formal content channels.