Derksen does great work, don't get me wrong, and he hasn't come out against the CMRI at all, but NOW does tend to promote the non una cuм novelty of Cekada and co.
Mario Derksen attends a CMRI chapel. I've not seen this promotion of the "non-una cuм novelty of Father Cekada and co." on Novus Ordo Watch. I think you may be confusing the position of Novus Ordo Watch with the people who post comments. He is
most definitely against the Novus Ordo and believes that the sedevacantist position is the correct position, but, as far as I can tell, his doctrinal positions on this matter pretty much mirror those of Bishop Pivarunas and the CMRI.