What the other guy said. This is definitely a common phrase with AAVE, thus, asking the question, "do people really talk like this", would imply that the asker is considering the poster to be inferior in some way. The racist piece being that it's pinpointing a dialect spoken, typically, by a specific race and calling it dumb.

I was sort of being sarcastic but lemmy users are a special sort and definitely can't read that.

As best as I can tell, and it’s a bit of a stretch, the implication may be at “my mans” stems from AVE, and therefore asking if people talk like that translates to being racist.

I don’t agree with the thought process or conclusion, but that’s the best I got