"They could have upgraded the deposit and increased value w/o including in the FS"

Now that wouldn't have been an honest all inclusive BFS would it? By leaving it out wouldn't we be where we are at now? Teck can drill it and know all the time that their "garbage" can be upgraded from inferred to M & I, instead of an incurred cost for its waste rock removal and in the process become an ore bearing material and revenue source