I agree on the status point - talking about how 'busy' you are is basically bragging about your status. I suspect the working poor or people who actually have

I agree on the status point - talking about how 'busy' you are is basically bragging about your status. I suspect the working poor or people who actually have less control over their time are more likely to say they're exhausted/tired/overwhelmed than 'busy'. Busy to me is someone just advertising they're important.