It still takes time, but he's not following it, otherwise the line would be stopped when a worker spots a quality issue, e.g. paint not dried, or Panel gaps mis

It still takes time, but he's not following it, otherwise the line would be stopped when a worker spots a quality issue, e.g. paint not dried, or Panel gaps misaligned. Also in the TPS you only automate processes that you know exactly how to do manually. Elon tried to start with automation from the start, ignoring that automation of processes you only know partially ends up multiplying your quality issues.