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:

http://www.gutenberg.org/files/29579/29579-h/29579-h.htm