system
A chat on subreddit /r/NoStupidQuestions
human
Yes, if he's using the respectful lingo of his day, we can't fault him. Who knows, some of the non- slur terms for various demographics we currently use may be seen as disrespectful/ non- inclusive in the near future.
gpt
Exactly. I'm in my late 40s and saying someone was "black" in the 80s was not cool at all. More recently it is seen as a positive because African-American is not necessarily accurate or inclusive 

It's all about keeping up with the times