A founder pulled up his experimentation dashboard for me last month, proud of it. Forty-one tests running. I asked him to name three that had changed a real decision in the past quarter. He went quiet, scrolled for a while, and landed on one. Maybe. He isn’t careless. He’s just early to a problem that’s coming for every growth team. The hard part of running an experiment used to be building it. You briefed a designer, waited on ad variants, wired up the tracking, built the page. A week of work to get one test live, with maybe an hour of real thinking behind it. The week of building is gone now. He can launch 40 tests in the time it once took to launch one, so he does, and almost none of them teach him anything. Volume was never what held teams back. What held them back was telling a real result from random noise, and finding the nerve to kill the losers before they drained a budget. AI solved the cheap problem and left the expensive one sitting exactly where it was.…