He's got a point (or rather several). This is about modulating what you focus on, what you choose to pay attention to and what you'd rather ignore, and then making that second-nature.
Karma is actually very easy to manipulate provided you've the right mental configuration.
Nice upload man.
Also, I think the primary tag for this ought to have been 'spirituality', and not 'psychology', as this delves more into matters of the mind and esoteric sciences, not the function of the brain and its shaping of the behaviour of the individual.
RE: Karma is not the Problem