Wonder Woman weakened

What if the true source of Wonder Woman's strength was her dominance and reputation, both of which have been greatly diminished by the many knockouts and resultant humiliation at the hands of Power Girl? This occurred to me when Power Girl used a finger flick to knock out Wonder Woman in the most recent chapter. If their strength level was relatively equal that shouldn't have worked, but if Wonder Woman's power was at a low ebb due to the many defeats and loss of rep from her training room rank being dropped to what you'd expect from a C-lister....

Perhaps Wonder Woman could find that she was far weaker and slower than she should be, struggling with training room scenarios that she should have been able to ace with one-hand chained behind her back. When working out she's unable to lift weights that should have been easy. Power Girl finding it easier and easier to dominate the not-so-amazing amazon the more Diana is humiliated...