Sorry, you're right, I totally missed that. I've spotted a huge number of examples of the 'turn it on its head' strawman argument in this thread, and carelessly caught yours up in the same set without reading more carefully - apologies.
Gathering from this thread, the word "bro" obviously has various meanings. Many of us have been exposed to it alongside negative connotations, more negative than just 'predominately male', although even that usage could be considered exclusionary.