Which is why Fr. Pfeiffer should lose the white cassock! In the US, it’s symbolically incorrect, more in accord with the novus ordo, everyone goes to Heaven sect. If you ask him, he’ll tell you he’s still under Bp. Fellay, his last official post with the SSPX being in the Philippines.
More important, though, is that he lose his warlock, close his “seminary” and rectify the matter of being a “bishop.”