This is false, like logic wise even if your assumptions were true. You might say that supposed cost right now is fake. If it's actually much higher (accounting for batteries or NatGas) the ridiculous drop in price from panels still means that the cost is falling.
> If a country cannot build a basic power grid, they will remain a village, most likely with widespread poverty.
They are probably not gonna be smelting with arc furnaces in bumbfuck-nowhere, Nigeria; but that's also not happening in some hamlet in the UK. African cities and resource extractions areas already have power grinds, the problem are rural areas.