A UGC creator charges a brand about $175 for one ad. Someone just made ten with AI for under five dollars, and I had to look twice to tell. The thing that used to give AI ads away was the hands. A finger shows up that wasn’t there, the coffee cup floats a little, and you just know. That happened because most video models cap out at 8 to 15 seconds, so a 30-second ad was three clips stitched together, and the hands went wrong at the seams. Kling says the full Kling 4 does all 30 seconds in one…