Sorry but how is this a case for debate??? This is not a matter of opinion, it's an extremely serious accusation that a foreign government institution caused a global catastrophe of historic proportions. Do you have the type of incredibly solid evidence that would take to back that type of accusation in court?? If you do, then go to court, if you don't then there's nothing to "debate" unless you are shopping for a defamation lawsuit that is what would be a fair and logical consequence to that type of baseless accusation. People abuse free speech because they are not facing the due legal consequences for all the defamation they incur on. But just because it's hard to prosecute so many offenders doesn't make it right or legal.