Sure, thats reasonable. I think I'm just a bit frustrated by the "so and so works at Google, therefore they must have chosen technology X or approach Y because

Sure, thats reasonable. I think I'm just a bit frustrated by the "so and so works at Google, therefore they must have chosen technology X or approach Y because of their presence!" when its very hard to know what everyone in (or formerly at) Google has ever worked on and remember to call them up.