This study examines the implementation of Islamic communication ethics in social media content, especially through the analysis of Felix Siauw's social experiment on Instagram related to the polemic of the use of the OnePiece flag as a protest symbol for the Indonesian youth ahead of the 80th Independence Day in August 2025. Using a qualitative method with a literature study approach and thematic content analysis, this study reveals how the principles of Islamic communication such as qaulan sadidan (correct speech), qaulan layyina (gentle speech), qaulan maysura (easy to understand speech), and qaulan kariman (noble speech) can be applied in responding to controversial popular cultural phenomena in the digital space. The results of the study show that Islamic communication ethics are able to transform controversial symbols into a constructive educational medium through moderate, dialogical, and contextual communication strategies. Felix Siauw succeeded in applying the principles of tabayyun (clarification) and wisdom (wisdom) in reducing tension while building the audience's critical awareness of the value of justice.  This research confirms that Islamic communication in the digital age not only serves as a moral guide, but also as a strategic instrument for managing complex public discourse. 
                        
                        
                        
                        
                            
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