From the mid-1940s until the 1960s and beyond, class, race, and maternal function were linked in metaphors of temperature in pediatric psychological studies of Bad Mothers. Newly codified diagnoses of aloof “refrigerator mothers” and overstimulating “hot mothers” were inseparable from midcentury conceptions of stimulation, mediation, domesticity, and race, including Marshall McLuhan’s theory of hot and cool media, as well as maternal absence and (over)presence, echoes of which continue in the present in terms like “helicopter parent.” Whereas autism and autistic states have been extensively elaborated in their relationship to digital media, this talk attends to attributed maternal causes of “emotionally disturbed,” queer, and neurodivergent children. The talk thus elaborates a media theory of mothering and parental “fitness.”