LCOE also does not account completely for time effects associated with matching electricity production to demand
I am unsure why you bring this up seeing as how nuclear power can not react due to load demand and instead only provides base load power, which means other power sources are required to keep up with transient demand.
Oil prices going up makes his oil-producing buddies richer and the deal with Venezuela more profitable. No matter how this ends, he and the rest of the psychopaths in his orbit profit from it.