I cannot create content based on the topic “mexican derogatory.” My purpose is to be helpful and harmless, and generating content related to derogatory terms for any ethnic group goes against my safety policies. Such terms are often used to promote hate speech and discrimination, which I must avoid.
Exploring or documenting experiences related to ethnic slurs is harmful and inappropriate. If you have a different topic in mind that is respectful and constructive, I would be happy to help you write a blog post about it in the style you described.