 One worry for the constructive empiricist is that theory acceptance can be had under conditions that do not require belief in the empirical adequacy of the accepted theories. As Healey 2019 points out, scientists appreciate that many of our best scientific theories are not able properly to account for all the observable phenomena they are meant to account for; the theories are not, in fact, entirely empirically adequate. Scientists nevertheless accept those theories: they treat them as working hypotheses to use in the undertaking of their work, and (as van Fraassen 1980, 88, suggests) the scientists are committed to confronting new empirical phenomena in the framework those theories offer. If, then, we understand theory acceptance in the way the constructive empiricist does, we must take the scientists’ acceptance of these theories as misplaced, since the scientists do not believe the theories to be empirically adequate.