If someone disconnects, regardless of reason, they should appear to simply fly on the same course until data updates make him finally disappear. People get disconnected all the time for a variety of reasons. Sometimes the game may lock up from textures being too large for their hardware to handle. Eventually, they'll CTD or lose host connection, but they may appear to still be flying on the FE of others for a while.
This topic, and the emotionally-charged way it has been presented, serves no purpose other than to spead misinformation and unhealthy rumors.