Oh yes. It was not just about coal but about working class and rural voters across the country at least that's how the Republicans spun it and was the bigger context of what Clinton was saying, helping rural and industrial America adapt to a changing world. Unfortunately the comments were outrageously taken out of context and Hillary didn't do that well in correcting it here:
https://www.youtube.com/watch?v=O8L57wahm0U. I'm not certain if she acted fast enough to fully counter it either as the comments were made in March and I believe the trip that she made through Ohio, Kentucky, and West Virginia wasn't until late April to early May? But a man would not have gotten killed for that.