I suspect that, at least when pitched by GW Bush, the capital costs would have reduced or eliminated profitability. (And maybe not just capital? I wouldn’t be

I suspect that, at least when pitched by GW Bush, the capital costs would have reduced or eliminated profitability. (And maybe not just capital? I wouldn’t be surprised if intermittently operated equipment fouls as or more quickly than continuously operated equipment, so opex may not scale down all the way with utilization.)