What is the ruling on a young man returning CDs containing a lecture by a Salafi scholar on the prohibition of celebrating the Prophet's Birthday, under the pretext of fearing to cause discord in their mosque where they celebrate the Mawlid?

Warning against innovations and condemning evil are required and important, but this must be done with wisdom and deliberation, especially with the spread of ignorance and innovations. It is necessary to prepare and plan to establish issues and build trust, and to gradually lead people from easy matters to more profound ones. If the brothers' rejection of these tapes falls within this category, then one should have a good opinion of them and seek the best way to guide and teach them, perhaps through the content of the tape itself or by choosing other material that appropriately establishes the topic of innovations.