On December 7, 2010, TMZ reported that SeaWorld's president, Terry Prather, received a letter from PETA and Mötley Crüe member Tommy Lee referencing SeaWorld's announcement regarding limiting human contact with Tilikum. In the letter, Lee refers to Tilikum as SeaWorld's "Chief Sperm Bank" and asserts that the relevant process constitutes continued human contact. The letter implores SeaWorld to release Tilikum from his tank, stating, "I hope it doesn't take another tragic death for SeaWorld to realize it shouldn't frustrate these smart animals by keeping them [confined] in tanks." On December 8, 2010, the SeaWorld VP of Communications responded to Lee's letter via E! News, stating that PETA's facts were not only inaccurate, but that SeaWorld trainers also "do not now, nor have they ever entered the water with Tilikum for this purpose".
Tilikum and the captivity of other orcas is the main subject of the documentary film Blackfish, which premiered at the Sundance Film Festival in January 2013. The film and a subsequent online petition led to several popular musical groups cancelling performances at SeaWorld and Busch Gardens' "Bands, Brew & BBQ" event in 2014.