Every awards season produces a movie that forces Hollywood to reconsider its own rules and bias. This year that movie did not arrive from a fall festival or a boutique label. It came from a YouTuber. “ Obsession ,” the breakout horror sensation from writer-director Curry Barker , continues to do unprecedented business, posting $19 million in its fifth weekend of release. The more remarkable detail is that the low-budget film has now strung together four consecutive weekends larger than its