If it works for easy things, but not for hard things then that's useless. From the tweet: As you can see, the ease of giving CoT advice worsens drastically as

If it works for easy things, but not for hard things then that's useless. From the tweet: As you can see, the ease of giving CoT advice worsens drastically as we go from domain independent to domain specific to goal class specific to lexicographic goal-specific. So he's arguing that CoT needs a lot of work from the user and it can only solve easy problems anyway.