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most of account are created by Steemit.Inc
So, this dynamic drived by their inner processes.

Do you mean it's the steemit verification process that makes the new account stats inconsistent? Hopefully hardfork 20 is released soon.

It looks like someone runs a script manually.
I just cant imagine a service that works like we see.

I guess so, because some of my friends have been waiting for weeks for their new accounts.

Yes. I am also including a person who waits for 3 weeks for my account

Well said. You got the good point . Clever man @michiel