Absolutely not. I think the only chance you see a Democrat win a future statewide race in places like TN, KY, OK, NE, SC or UT in our lifetimes is if there’s a Roy Moore-type of situation.
I remember there was a thread speculating about which states Moore would win in the same Moore vs Jones race, and Tennessee was proposed as a Moore state. Not sure how likely that is but its whites seem to be pretty inelastic in their voting habits. My guess is that the Deep South is the most hardline conservative and partisan region, though there are a few exceptions like JBE and Jones (and Georgia seems to have broken away from its neighbours culturally).