How many do you believe there are? And if you're very concerned about.it then Andy can see the IP addresses and if he feels abuse is being had then can talk to the person then ban if necessary. But I've kind of come to peace about.multiple accounts on here that it's just another thing on here. Kind of amusing sometimes too.
4. Do you think it's possible that instead of multiple accounts that people simply disagree with you and think your arguments are poor? I'm not saying that's fact, just that it seems like paranoia for you to assume stalkers and multiple accounts.