Because if we're relying on the people who are funding bioweapons research in hostile countries to tell us how to treat said viruses, under the delusion that they'd learn something useful, it's the kind of thing we need to know about before waking up three years later and finding out (per the Northwestern study) that we could have avoided a lot of deaths by simply following the sort of treatment regimen we used for more common flu varieties and given the patients azithromycin.