Marcus Aurelius is responsible for raising and empowering his son Commodus - the emperor depicted in the movie Gladiator. It's useful to keep this in mind when reading his meditations. Yes, the message can be nice and joyful to read. Yet the man who wrote them created a tyrant and contributed to untold suffering.
I really don't know if the casual link is as firm as you insist. To what extent are parents are culpable for the crimes of their of-age children? And is there any indication that the philosophy expounded in the Meditations would lead to a maladjusted child? It feels like you're dismissing all of Aurelius' thought on the basis of something that may or may not be his fault, instead of contending with his thought direct…
Dealing with thought only in abstract often ignores real world consequences of that thought system. It makes sense to ask what part of that thought lead to different behavior in real world.