I could understand them but I've lived close to WV for more than a decade. When I first moved here I couldn't understand anybody. These people have no consonants, it's all a mushmouth of toothless vowels. Meaning comes from intonation, like Mandarin.
Mao-mao and Pu-pao. (For full flavor you have to imagine this at 200 words a minute and drunk.)
Make sure to read the Comments for a full appreciation of WV culture.
Anyway, our Ops Manager comes from Boone County, where the Whites live (well, exist). His father was Town Supervisor and dealt with the older generation of Whites. The stuff about walking along the highway picking up coal fragments for heating is true. One thing the doc didn't talk about is all the women were involved in prostitution (from 13 on up) and "on retainer" for long haul truck stops, and the local PD got a cut to keep out of their business. One of the sixteen million arrests of the family was tied to an officer trying to renegotiate the contract with the family on the fly. They beat him almost to death.
Real nice folk. There's an Aryan Nation offshoot group nearer to my side of the state, just to keep things lively.
Boone County went to Trump by 42 points.