Complex sentence: If we can catch his regular key phrases automatically it will save the trouble dealing with him manually and being reverted and blocked instantly may even persuade him that it is not worth continuing to try to get his nonsense into Wikipedia.
Split into simpler sentences: If we can catch his regular key phrases automatically it will save the trouble dealing with him manually. Being reverted and blocked instantly may even persuade him that it is not worth continuing to try to get his nonsense into Wikipedia.