These are fair points, but what do you expect from a project in alpha state not nearly half the age of MySQL? :)
Sure sounded to me like that was an answer to his question, and you were saying the author is saying CouchDB is an alternative to relational databases by saying it is a comparison.
I obviously wasn't trying to define what a comparison is, I was just giving a reason FOR this particular comparison.
You need not be so snide, sir.