Adam Clarke on Acts 19:37

These men - are neither robbers of churches - Ἱρεσυλους; Spoilers of sacred places. As his design evidently was to appease and conciliate the people, he fixed first on a most incontrovertible fact: These men have not spoiled your temples; nor is there any evidence that they have even blasphemed your goddess. The apostles acted as prudent men should: they endeavored to enlighten the minds of the multitude, that the absurdity of their gross errors might be the more apparent; for, when they should know the truth, it was likely that they would at once abandon such gross falsehood.