@sistem is right and "sir" isn't just used in African countries, but also all over Asia (India and Nepal that I know of).
I used to be called Ma'am in the Philippines and hated it, even though it is a form of respect and almost automatically used there.
In fact, it's very strange that there are very few "ma'am" used on Steemit.... hmmmm
Harder to program the bot with gender difference without a specific field stating if you got goolies or not. Everyone's a Sir until then!
Trou zat. Thank you Monsieur.