Anyone who intentionally tries to deceive newbies that an altcoin is Bitcoin just because it stole the "Bitcoin" name, is an untrustworthy and malicious entity that can't be trusted. Doing something again these scams:
a) Not damaging to anyone (it actually does the opposite).
b) Not hurting freedom of speech (don't mistake acceptance of any kind of scam as a requirement for honoring freedom of speech).

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The forum staff must absolutely use more rigorous measures in order to minimize the damage that these "people" try to cause.