How Angela Duckworth talk on grit is good idea executed too early

Angela Duckworth, the author of the wonderful book "Girt," gave a TED talk in 2013. Doing scientific study of grit is a fascinating thing, but the conclusion in this talk in 2013, does not do justice to those who might be interested in looking at her book later. When you give a talk you need to be careful of the value you are providing in your talk and if you can provide something different from those who talk on similar topics. If you cannot do that, maybe a delay is a better idea.