You need to be in the content, distribution, marketing/PR, talent (writing, acting, tc.) business to kill Hollywood. Thn You need to have billions to pay movie stars, scripts, movie rights, distribution, marketing, crew, equipments, etc. you need to have distribution, marketing,etc. muscle worldwide. Then you need to deal with agents, publicists, cast, crew, writers, etc. unions.
You can disrupt technology, but its hard to disrupt content (there are exception ofcourse (3D, IMAX, Pixar,etc.)