Indeed, you are a case in point of a highly selective picker.
They contradict themselves on a host of issues.
But not on the Eucharist. When a Patristics scholar like Kelly (who without question is one of the foremost 20th century experts) can say of Augustine that "he shared the realism held by almost all his contemporaries and predecessors," then your attempts to make the historical record appear otherwise is rightly called out as dishonest.
So, I ask again, why should we take anything else you claim as credible?
Jesus said that Pharisees are snakes.
You Catholics truly believe that; right?
But not on the Eucharist.
You're 100% positive...no exceptions. ALL ECFs are in 100% agreement?