Ok, it wasn't a non sequitur, it's an egregious circular argument. DRM is unethical because Sony put a root it on people's systems, and Sony put a root kit on people's systems because DRM is unethical.
So far you didn't argue again with the fact that DRM is intrusive, violates privacy and is analogous to police bot in your house, rather than to fence around the store. Dwell on it more, and it'll be pretty clear why DRM should be strongly opposed. Have a nice day too.
For a change, here is my favorite story about pitfalls of intrusive preemptive policing:
I'm done here, have a nice day.