Nobody has any idea of why a retail shareholder may take a particular action. Patently ridiculous frankly to think that just because it might not be the smartest thing to do, someone might not do it, and may actually have the desire or even the need to do it.
Oh - and the price can rebound if retail investors think the current price is a value buy - which clearly many do, and that action would raise the share price - and not be manipulation.