Enola's arc explicitly rejects corsets and traditional femininity while she masters jujitsu, deciphers clues, and aids a reform bill expanding voting rights, with her narration affirming personal independence and the future belonging to women. Director Harry Bradbeer and star Millie Bobby Brown have stated the project delivers a feminist reimagining of the Holmes universe, confronting male privilege and systemic barriers for women, with Henry Cavill noting the script's focus on equality and privilege.

Supporting elements include Black actress Susan Wokoma as Edith, who teaches self-defense and directly rebukes Sherlock's political apathy with lines about changing a world that suits him. Audience reception shows clear division, with user reviews frequently labeling the messaging preachy or "woke" for prioritizing girlboss empowerment over classic detective tropes.