The pair al-Aswad ibn Yazīd and Yazīd ibn al-Aswad requires separate identification in each chain. The shared information is the two words; their genealogical relationship is reversed. The simultaneous presence of “Aswad” and “Yazīd” is insufficient for identification.
Application: For “ʿan al-Aswad ibn Yazīd,” consult that individual’s recognized teachers and pupils. A separate occurrence of “ʿan Yazīd ibn al-Aswad” receives its own biographical investigation. Only then can one decide whether distinct people are meant or a particular textual chain contains a transposition.
An explicit correction by a critic may be strong evidence for one route, but it should not be generalized to every occurrence without support.