Sure, but you need not be conclusive to publish.
And in this case, we need not be conclusive to act. We've got a problem that won't wait around, we can't afford to wait for 3-sigma evidence. Even deferring the decision is, itself, a decision that we're making all the time. So really, all we can do is go with the best data available and do what we can.
A Finnish man has asked the European Court of Human Rights to defend his right to discuss encryption systems used by the entertainment industry. He says that Finland's implementation of the EU's Copyright Directive restricts his right to free speech.
The original court dismissed the case, since European law requires the DRM to be effective, but a Finnish high court reversed the ruling. An application to appeal before Finland's supreme court was also denied.
Without life, Biology itself would be impossible.