That reads more like propaganda than anything I've ever seen come out of the NOS.
It is however interesting that there is overlap between stichting wakker dier membership and producers of NPO shows. Moreover it is very worrying that Diederik Stapel has any public advisory function. I wouldn't call this 'evidence of close organizational ties' though.
https://www.nieuweoogst.nu/nieuws/2017/01/19/objectieve-jour...