I can still remember the waves caused by Rodriguez’s “El Mariachi.” He was a part of a new school of DIY filmmakers in the ’90s who truly changed the movie scene. With other filmmakers like Richard Linklater (with “Slacker”) and Kevin Smith (with “Clerks”), Rodriguez made the idea that anyone could be the next notable director seem real. It was a wave that would eventually create household names like Quentin Tarantino and gave birth to a career in Rodriguez that has consistently produced for the last two decades…