In Casey Neistat’s documentary, David Dobrik’s act unravels

The essence of David Dobrik, the puckish subject of Casey Neistat’s documentary Under the Influence, first crystallizes on screen during a high-pressure pitch to Netflix. It's 2020, and the then 24-year-old sits in front of a laptop, his eyes shining with anticipation as he describes his dream gig: a serotonin supercut of a...