Stack Exchange network consists of 177 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
Gender neutral alternative to Sir/Madam
It's odd that it was closed.
It's a very specific question, and given typical everyday context.
If you disagree - would like to clarify why it is opinion based?