Desperate attempt to control the narrative.
WikiLeaks:
While both MSNBC & FOX compete to build fearful alternate realities, this evening's @maddow uses a Scientology technique. Warn viewers, at the end of the show, to not search the net (to check her alternate reality claims) or they'll be attacked by viruses.
https://twitter.com/wikileaks/status/1103156006941540352?s=19