It works sometimes....and other times it does not. That is the point I was making. It is not a reliable or consistent source of information.
If it were simply a gathering of all manufacturers' recommended times in one spot, it would make sense...however, it is that, plus a bunch of other combinations that seem like they can be input by any Tom, Dick, or Harry, with no way to differentiate the two.
My opinion as been stated. I am not one to stomp on someone's initiative, which is always admirable...but I did simply want to state my opinion, which is just that.