Pomodoro is meant for like, hyper-chunkable tasks where you're battling against boredom to do the work. Manually going through files and aligning things, reformatting doc comments, etc. That's good stuff for a pomo sesh. Most people don't use pomo to paint a painting or compose music or tinker an algorithm. It's designed specifically for rote work.
I didn't watch the full video, this seems sensationalized a fair bit for the sake of YouTube algorithm discovery. He's right though. Could've been right and given his position in about 2min instead of 15....