I've heard such negative things about the DMCA, I was surprised to see this article.
The general thrust of the anti-DMCA on the wired site seem to be that the DMCA was bad law, not because it was 100% bad, but because it went far beyond the needed provisions like you just described to push through a lot of restrictive provisions that hackers seem to dislike.
The DMCA has some completely unrelated things in it: notice-and-takedown: good, anti-circumvention: bad. There have been some more balanced articles published this week.
The general thrust of the anti-DMCA on the wired site seem to be that the DMCA was bad law, not because it was 100% bad, but because it went far beyond the needed provisions like you just described to push through a lot of restrictive provisions that hackers seem to dislike.