Because disinfecting/decontaminating inanimate object is sooooo difficult?
Incineration ist da only solution mein komrade!
That meeting was likely coordinated by people using Blackberrys hosted on the CROWDSTRIKE BlackBerry Enterprise Server. Those phones were likely as tapped as the SIPR and JWICS access points were.
I'd guess there is at least an audio recording of that meeting…somewhere.