Currently, no. But once (undetectable) OS modification is no longer possible, making the undecrypted media unreadable is just a few API restrictions away.
In Android phones for example you cannot screenshot banking apps. And if you root (modify the OS of) your phone, banking apps refuse to work.
However, for the question at hand, that's irrelevant: a better (for DRM) solution exists today, and they're already using it.
I'm not saying that the TPM is incapable of being abused by manufacturers and OS authors, but the FSF really weakens their argument when they predicate it on something that's not actually true. Ex falso quodlibet (you may prove anything if you rely on a falsehood).
In Android phones for example you cannot screenshot banking apps. And if you root (modify the OS of) your phone, banking apps refuse to work.