You do know the individual you are quoting is from a firm aligned with the Alberta Government's Alberta Treasury Branch.  
Some additional info:
At $50/bbl Cdn the pipeline would have generated $18 billion
At $60/bbl Cdn the pipeline would have generated $21 billion
Most of the oil sand projects were based on $25/bbl except for PetroCanada which projected $30/bbl
Operating costs are now below $10/bbl and will soon be below $5/bbl
Almost 2 yrs ago Trudeau was in Alberta and said he would fasttrack his infrastructure plan for Alberta.  To Date $0
Most foreign oil companies have pulled out of Alberta leaving fewer companies, and fewer funds for new development.
Carbon taxes and new proposed regulations have stymied new projects.
Exedus, just a few angles you may want to consider.