In context, he's just saying this self-scrutiny is what makes your words authentic.
To your comment, I wasn't aware of the eye rolling meta for the phrase [0]. I hadn't seen it overused to the extent people are claiming.
[0] https://www.reddit.com/r/ClaudeAI/comments/1upxk9r/loadbeari...
Pangram 4 says it's 100% human written, including the "load-bearing" sentence.