Most of mine are from conversations with people, but this is what I immediately thought of (though I know the definition has changed a little since) https://books.google.com/books?id=QelNAQAAQBAJ
The wordpress article says academic meritocracy doesn't exist because teachers are biased. The author is calling it a myth to say it exists in our society. Doesn't seem like they are against an actual meritocracy.
Though I suppose it's easier to dismiss complaints about bias when we pretend those complainers just hate our meritocracy.
The author is saying that a meritocracy is a dystopian nightmare. Literally, he coined the term meritocracy to describe his dystopian nightmare civilization.
I'm not sure how to parse your last sentence. Could you clarify what you mean?
Here's another: https://practicaltheorist.wordpress.com/2012/11/14/the-myth-...
Here's a critique stating that the terms aren't defined enough to be said to be 'just'
http://assets.press.princeton.edu/chapters/s6818.pdf
The last one is the most fascinating, I really recommend you read it if you're interested in these things. Amartya Sen is brilliant.