It's worth noting that is an R-rated, three hour drama about a historical figure, meaning the film was always likely going to lose against a family-friendly fantasy-comedy about a doll that most of the world is familiar with.

Source: https://screenrant.com/barbie-oppenheimer-box-office-competition-art/

The British fantasy-comedy Blithe Spirit is on stage at the Monticello Opera House for one final weekend, Feb. 3 and 4. The story, like most comedies, explores a serious topic in a way that makes it approachable, memorable and fun.

Source: https://ecbpublishing.com/enjoy-lighthearted-fun-with-final-weekend-of-blithe-spirit/