"The question is why do you feel so desperate to accept rude writing? Why do you need to defend it? What stake do you have in approving of her so called 'pidgin' English?"
People are going to speak the language they speak every day in the way they speak it regardless if you or I approve or not.
"Sociologicaly speaking...you are not doing her or anyone else any favors by accepting inappropriate communications no matter how 'colorful' you might feel they are."
I do not have any problem with someone communicating with someone with whom they share a dialect using that dialect.
Perhaps the difference between you and I is that I recognize that neither of us were amongst the intended audience of that message.