COD Modern Warfare 4 has seemingly answered DMZ players' PvE calls with new Story Mission changes - but there are major caveats

For as long as Call of Duty: Modern Warfare 4's DMZ extraction mode has been available, there've been calls for PvE-only servers. Developer Infinity Ward, for its part, has maintained the mode is designed as a PvPvE experience, but it's now seemingly made a change offering solo players something of a compromise, albeit with caveats.