If you dont think the ACA did anything to address fee for service medicine, says Klein with a hyperlink to himself, you simply dont know anything about it. Another case settled by Ezra Klein citing Ezra Klein. Yes Ezra; the because-I-said-so argument has been compelling to all of us since we were five years old.Not a particularly compelling criticism.
It is entirely appropriate for an author to hyperlink to his own work where his point is expanded on in greater detail.