You make an outstanding point. These reserves will take much capital to extract. Today’s prices make that a profitable enterprise even with the cost. OPEC et al will do much to prevent the opening of this additional supply and you are absolutely correct that they will use a significant price drop to persuade us to forego the development of these sources. Hopefully they will drop prices and we will still go ahead with exploration and extraction and nukes.
We should then proceed anyway making sure our companies understand that in the end, the "new" fees the Saudis and others would have to pay to play in our market would make it economically feasable in any case for our companies...permanently.