I think society's villainization of bald men was more prevalent before the past two decades.
Don't want to go into a long explanation so check out the concept of "the Other".
According to Wikipedia (a very reputable source
), "(The Other) has been used in social science to understand the processes by which societies and groups exclude 'Others' whom they want to subordinate or who do not fit into their society ... Othering helps distinguish between home and away, the uncertain or certain.
It often involves the demonization and dehumanization of groups, which further justifies attempts to civilize and exploit these 'inferior' others."