Not attacking Mintcoin? That is exactly what the Blackcoin developer, rat4, is doing.
Blackcoin is a pure PoS coin, so what business does he have in pointing out security issues with a hybrid PoW/PoS coin? He only made that thread to spread lies and to attack Mintcoin. The Blackcoin developer is dishonest and that is a bad sign. But, what did you expect from Wolong's developer? Wolong is dishonest and so is his developer. Wolong is manipulating the hell out of Blackcoin.