I refluffed 4e Channel Divinity feats with a simple pen. I created Muir's Justice and Thyr's Justice for a Bard's Gate campaign (3PP Necromancer Games, from the 3.x era) by tweaking an existing ChanDiv power and changing the name. 30 seconds. You can go generic with Channel Divinity easily.
Biggest problem with Channel Divinity is that they didn't allow in the builder what they said in the books you should do. I.e., allow for painless refluffing. For example, if I had a campaign where I worshiped the God of Light and Stone, I should be able to take either "Moradin" feats or "Pelor" feats, and the rules said this should be cool.
The character builder didn't -- but that was a weakness of the character builder itself and not the rules. (Feats and powers shouldn't be strongly tied to certain gods by default, which is something they learned by the time Essentials rolled around.)