Users of my principles textbook might enjoy reading this critique of the ten principles in my first chapter.The authors are members of the steering committee of the Union for Radical Political Economics (URPE).
I don't find their arguments persuasive. In many cases, they are responding to things I did not say but they think I am suggesting. (How else can someone complain about the statement "People face tradeoffs"?) In other cases, their message is, "Things are more complicated." (Of course! But you can't include everything in Chapter 1.)
But I am surely not the most objective person regarding this. Decide for yourself.