Complex sentence: At the time, Fuse and IFC were both part of Rainbow Media and Rainbow Media executives felt that the Whitest Kids program was more appropriate for IFC, than Fuse, and approved the switch.
Split into simpler sentences: At the time, Fuse and IFC were both part of Rainbow Media. The Rainbow Media executives felt that the Whitest Kids program was more appropriate for IFC than Fuse, so they approved the switch.