Divine omnipotence vs. powerlessness of idols

أَفَلَا يَرَوْنَ أَلَّا يَرْجِعُ إِلَيْهِمْ قَوْلًا وَلَا يَمْلِكُ لَهُمْ ضَرًّا وَلَا نَفْعًا

Did they not see that it could not return to them any speech [i.e., response] and that it did not possess for them any harm or benefit?