Well - my two stories are really very small bikkies compared to what I have read above.
Story one.
I was asked to come in for an interview by a large firm for a job (nickel mine) that involved an outfall pipeline into the ocean. I had just completed an outfall pipeline into the ocean. During the hour interview, I was asked how I would approach this job. Job did not eventuate & no feed back.
I was asked to come in for an interview by a large firm (same firm as above) for a job that involved development of a townsite with a waste water treatment plant attached. I had just completed a townsite waste water treatment plant. During the hour interview, I was asked how I would approach this job. Job did not eventuate & no feed back.
The third time the firm approached me, I said 'no thanks' & they were very concerned that I did not appear to want to work for their firm. Funny that.
I have since been told that 'free' consulting advice is always available by finding a person with the necessary expertise, advertising a 'position' with heaps of money, (or approaching them), with the duties exactly the same as the 'expert'. I have been told that it is amazing what you can find out in one hour with a 'willing' participant. At almost negligible cost as well.
Story two.
I have on occasions supplied my CV for overseas projects, to large firms. Sometimes I do not receive any feedback (indeed not even an initial acknowledgement) about the application process. Some time later, imagine my surprise when (CV shown to me to indicate the caliber of the applicants) I saw what I consider to be my CV (with the name of another person).
I have since been told that this (trading of CV's) is not a rare incident, by any means.