In theory, people might choose it, so its not exactly an oxymoron.

In practise, you can't run a sharehouse on those principles practised sincerely, much less a society.

Any functional Anarcho-Communist society more long-lived than a music festival will probably be like regular Communism, but Comrade Commissar is smoking weed and telling you how to gamify washing his dishes. 

 lol I like the way you put it