What makes Who Killed Idol? by BiS notable?

'Who Killed Idol?' garnered attention for its critical approach to the idol industry, challenging conventions and resonating with fans disenchanted by typical pop tropes. The album's provocative themes helped BiS secure a place in discussions about the evolution of J-pop and its relationship to countercultural movements, leading to increased visibility in both domestic and international music scenes. Upon the release of 'Who Killed Idol?' in January 2014, BiS was navigating a significant transition following their initial dissolution in 2014. This album marked their first full-length project after reformation, showcasing a bold departure from traditional idol norms and a commitment to subversion within the J-pop genre.