Is it possible the probabilities are misunderstood, similar in some way to the Birthday problem?  (Where the odds of 2 people in a room having the same birthday are very much reduced from what one would expect)

Generating 10 keys per second is not very much at all.  How many could a modern server generate per second? - 100's? 1,000's?  How about a future server with tech improving at 2x per 18 months PER COMPONENT stacked?