Imam al-Dhahabi provides the apposite answer...

Imam al-Dhahabi provides the apposite answer: إذا وثق أبو حاتم رجلا فتمسك بقوله، فإنه لا يوثق إلا رجلا صحيح الحديث، وإذا لين رجلا، أو قال فيه: لا يحتج به. فتوقف حتى ترى ما قال غيره فيه، فإن وثقه أحد، فلا تبن على تجريح أبي حاتم، فإنه متعنت في الرجال When Abu Hatim declared a narrator to be thiqah (trustworthy), then hold fast to his statement, because he never declared a narrator to be thiqah except a narrator whose ahadith are sahih.

When he weakened a narrator, or said about him “he is not accepted as a hujjah”, then pause until you have seen what others also said about him (i.e. that narrator). If there was A SINGLE other person who declared him (i.e. the narrator) to be thiqah (trustworthy), then do NOT adopt the criticism of Abu Hatim, because…