Not necessarily. In an ideal world psychology could be scientific.
In this world, however, we observe that the Behaviorists, who were uniquely concerned with holding psychology to strict scientific standards, where ganged up upon and hounded out of the field. The hounders can't be trusted.
Behaviorism isn't simply about holding psychology to a higher scientific standard and it is misguided to imply it is the only psychological paradigm to have done so. As an easy counterexample, take a look at cognitive psychology.
In this world, however, we observe that the Behaviorists, who were uniquely concerned with holding psychology to strict scientific standards, where ganged up upon and hounded out of the field. The hounders can't be trusted.