[levi-turner]

For background, RFPs are not value neutral. It is not uncommon for customers who have a preferred vendor to shape the RFP to fit in a more natural way to the preferred vendor. To use a simplified example: you want a web server vendor and only IIS and Apache exist. If you have a RFP requirement that the service runs on Linux, then you have a RFP but your requirements have pre-selected the vendor which can achieve the objectives. This is hard to catch from the outside, but focus on ultra specific requirements which seem relatively arbitrary (Linux vs. Windows isn't arbitrary, but the example is super simplified for illustrative purposes).

I am also curious about examples, but as someone from the vendor side, I'll be the first to admit that if the purchasing group has any semblance of intelligence, you can easily hide these biases. The bias only is obvious if you are in the industry and grok the subtle nuances of the capabilities.