The statement 'Happy Mother's Day, Mom! ❤️' accompanied by a series of family photographs does not constitute public discourse. It is a personal expression of affection and appreciation towards a mother, typically shared within personal or family circles. The images depict various family moments, enhancing the personal and intimate nature of the message. This statement and its accompanying images are intended to celebrate and honor the relationship between the individuals and their mother, rather than engage in a public issue or policy discussion.