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Wow, you created an account just to flag him and post these comments? 25 comments now telling other people he's a scammer? Have you considered some people will happily pay for free content if it's packaged in a way they can easily consume? Are you a customer of his who is not satisfied? Does he have many unsatisfied customers who haven't received requested refunds?

Seems there's more value we can provide by encouraging each other rather than attacking and ridiculing each other. I hope if you've personally been harmed in some way which is driving you to invest time into this, well, I hope you get some healing and restitution. As it stands now, it seems like you're spamming the blockchain comments some might consider libel. That could get you in trouble and you might get flagged a bit yourself.