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How did the destruction of church images in 1566 affect the opposition to Spanish rule?

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Portrait of William I, Prince of Orange, by Adriaen Thomasz Key. He wears a dark embroidered coat, a white ruff collar, and a black cap, with a trimmed beard and mustache. — William I Portrait of William I, oil on panel by Adriaen Thomaszoon Key, c. 1579; in the Rijksmuseum, Amsterdam.

The destruction of church images in August 1566, known as the iconoclast movement, significantly altered the landscape of the opposition to Spanish rule in the Low Countries.

While the resistance had previously been led by a coalition of high and lower nobility seeking political and religious reforms, the violent campaign against churches—which spread to over 150 towns and villages—caused a critical fracture in this alliance. The movement lost the support of the nobility, particularly the lower nobility, who had initially been sympathetic to the Calvinist cause but were alienated by the radicalism and destruction.1

Furthermore, the iconoclasm provided King Philip II with the justification to escalate his response. Deeply disturbed by the events, he dispatched the Duke of Alba to the Netherlands to restore order through a regime of terror. This harsh crackdown, including the establishment of the Council of Troubles, ultimately transformed the political unrest into a full-scale revolt, eventually leading to the partition of the Netherlands and the rise of William, the prince of Orange as a central leader of the independence movement.213