Racism?? Talia and Ra´s are villains.. You can not expect them be good.
I am even surprised about people wanting to see Damian reuniting with Talia watching what happens.
Is more for HERETIC events than other thing why I hate her. It made Batman look good and is not like Bruce is a Good Parent neither... But the Alghul reached a point that the best is not reunite Damian too much with them.
I like Deathstroke but I know enough about him to know that he is Trash too. Between things like TERRA and brainwash Rose to say some examples.