Congratulation for what you've made, bitcointalk.org needs users like you. It seems that what have you seen is right, after a check it seems hacked account (not bought). Have you also provided a negative feedback for each of this account? They won't be utilized anymore after your discover I guess. Let's see what will be the reply of thread creator.
Hello! We have created this thread in order to provide our players with yet another platform to communicate and ask questions. We do not check the accounts to which we respond

I know it Sir, but also we can't know who is in control of this account, and because in this forum users (including me) try always to keep spam away from the good content, every users try to do his best to keep forum
cleaned. Put them in your ignore list, and you'll be sure that they won't spam anymore in your thread, and your thread will be more cleaned.
PS: I've sent to you a PM
