Why Is It Relevant That EPI Gets Money from Teacher Unions, But It's Not Relevant That Erskine Bowles Gets $350,000 a Year from Morgan Stanley?

The NYT has a piece this morning on the teacher evaluation policy used in the Washington, DC schools. The end of the piece includes a quote from Mark Simon who works on education issues with the Economic Policy Institute (my former employer). In identifying the Economic Policy Institute (EPI), the NYT added the comment:

"which receives teachers' union financing."

While it arguably relevant that EPI gets teacher union funding in this context, it is unusual for the NYT to present the sources...