So what - don't those who support the Palestinians have a voice?
They do.
What is your point.
We are entitled to know that it was not written by a neutral, objective observer. That is all.

They did say, " The EUMC has since abandoned this wording" but that exact wording is still on their site.
http://www.antisem.eu/projects/eumc-working-definition-of-antisemitism/