And the folks at 1Up have given credit where credit is due. Good to see them take those accusations seriously. Here's what 1Up has to say after the shakedown:

After a thorough review of the guide and discussions with the author and members of the DOA Central community, we have reposted the Dead or Alive 4 strategy guide — in the process giving DOA Central credit for having formulated strategies that the guide made reference to.

1UP's policy is to always give credit where credit is due (read any of our news stories or features and you'll see that they're often littered with links to external sources — make no mistake, we're more than happy to acknowledge that this site is in large part powered by communities, both internal and external). In this case, Richard, the author, unfortunately neglected to do so. Nearly all of his guide was written on his own — I saw him slaving away on it for the better part of two weeks — but he did use certain posts on the DOA Central message board as reference. It was an oversight not to make mention of this — likely because of the nature of the source (various posts on a fan forum, as opposed to a published piece elsewhere) — but he should have.

The credit has been issued, as it should have been from the start, and the DOA Central forum posters have been thankfully very understanding.

Pulls Strategy Guide [Kotaku]
Giving Credit [1Up] Thanks Jim!