Why bother, he talks like DD and will tell you he is right no matter what. Just ask him, you can tell he is always right. Let him go back to where he belongs.
He does talk like DD. I noticed that the past few days even using the

. They must be related. Let's try to find proof knowitall is the dimwit. His standards of proof are low. Find something DD wrote one year ago that knowitall wrote now. That will prove they are the same.
Many people at OTB told me knowitall is the Superman band of trolls also.
It's all coming clear now.