This wasn’t a bug—it was a licensing limitation. Codemasters had the rights to the Ashes series and the official team kits, but not to the individual likeness rights of every international cricketer outside the two main Ashes nations. For console players, this was less noticeable because console versions received official name updates via patches. The PC version, however, was largely abandoned post-release.
You might ask: Why bother patching a 15-year-old game? Ashes Cricket 2009 Pc Correct Names Patch