How can you possible interpret that paragraph to m

How can you possible interpret that paragraph to mean that John is, or will be, the only person capable of running the processor at full capacity.  It's called training to the point of proficiency.  For you to suggest anything different is completely misleading, it's all right there in black and white for all to read.  The paragraph below is one of the most positive things released by JBI since inception.  They now have their flagship processor.  Continuous, clean cleaning and capable of averaging over 2000 lb./hr. - this is incredible news.
To compare running the processor to tape reading is a completely irrelevant analogy. How does one relate to the other?  I think you're really grasping now to find fault - by try you must.