They were doomed because the outcome of the war
I would say, buissness borrow more money, consumption increases, and interest rates fall.
Private companies and independent firms believe that the TVA
is a government-run monopoly selling electricity in bulk at low rates making it
difficult for them to compete with the TVA.
Apart from that their low rates enable them to be spared from taxation.
They were treated as slaves. Meaning they were beat, forced to dirty work and even killed.