Game Mechanics: charm bug

[Xaleban]

I charmed a mezzed mob with low health last night. When the mez wore off the mob ran like a normal mob with low health. Pet functions did not work as it almost seemed not to recognize it was charmed. When I invised myself it did come running back like a normal mob tho.

[Lazortag]

Oh, is this a bug? I can confirm this - in HHP I'd sometimes charm a named orc that the guards were about to kill, but as it would run away it was frustrating because I couldn't get them to follow me. I guess normal pets don't run away, but did charmed pets run away?