and Russia has ratified the amended version, but the United States and other NATO members have refused to do so until Moscow abides by its commitment to withdraw troops from the former Soviet republics of Moldova and Georgia.(From the original article)
If the treaty is ratified only by Russia, and the other parties are refusing to do that, than what's the point? The treaty hasn't been in effect and it won't be.
Russia ratified the treaty. They just have no respect for their own laws so they refuse to fulfill the commitment they agreed to.