Both Barbie and Oppenheimer benefit from the Barbenheimer phenomenon driving audiences to theaters. However, the primary beneficiary is likely Christopher Nolan's three-hour historical epic, attracting viewers who might not have otherwise seen it in theaters. Yet, on social media, some movie fans are lamenting the increased attendance. It seems Oppenheimer started a real-life war between people who use their phones in movie theaters and those who don't.
Source:https://www.cbr.com/oppenheimer-phones-in-theaters-debates/