Subir y distribuir películas con derechos de autor sin permiso es ilegal. Como espectador, el riesgo legal es menor, pero estás consumiendo contenido pirata, lo cual afecta a la industria cinematográfica y a los creadores.

While there is no single academic "paper" exclusively dedicated to the Spanish-language phenomenon of "películas completas" (full movies) on Twitter, several research studies and reports examine the structural and social factors that have made the platform a hub for film piracy. Core Research on Twitter Piracy

Twitter is the best "accidental" movie theater in the world. It’s perfect for a quick hit of nostalgia or catching a viral hit you missed, but it will never replace the stability of a real streaming service. Use it for the thrill of the find, but don't expect to finish the movie without the link dying halfway through.