I laughed and sort of agreed with this, in spirit. You're off on the details I think though. When I listened to the audio samples before coming to the comments

I laughed and sort of agreed with this, in spirit. You're off on the details I think though. When I listened to the audio samples before coming to the comments, I thought: "oh, like those totally lifeless and bland U.S. accents from podcasts, YT, etc." I wouldn't associate it with skin colour or gender though at all. I've no idea why you'd go there - any skin colour and any gender is absolutely welcomed into the fold of U.S. cultural production, if they can produce bland generic "content" sincerely enough, it seems to me. Disclaimer: many U.S. accents are interesting and wonderful (Colorado; Tom Waits), they don't all sound generic and bland. I have U.S. friends therefore I can pass judgment (TM).