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It's not just him disappearing. He may have had some personal issue that kept him away. But someone else from Steemit could have let the community know. They are all responsible for the unprofessional and disrespectful no-show. Or "irresponsible" might be a better way to put it.

It was about respect and also integrity, plus just being an adult and doing what you say you are going to do.

I'll never forget it either.