This is what I was looking for, and I truly believe you are completely wrong as well.

I follow the line of thinking that includes utility software and backend services/platforms as described here:

https://en.wikipedia.org/wiki/System_programming_language

Hence, the word has different meaning from person to person. So there is no wrong, or at least it exists on a spectrum, and everyone complaining about the original comment's word choice is just jerking their ego off.