In the article, the author discusses how the character Missy in Young Sheldon brings attention to the shortcomings of Penny and Leonard's romance in The Big Bang Theory. They point out that Young Sheldon gave Missy her own narrative, unlike the original show which sidelined her character. The author compares Missy's situation to Sheldon's and argues that Penny and Leonard showed better parenting skills by understanding Sheldon's perspective. The article also expresses disappointment that The Big Bang Theory didn't explore Leonard and Penny as parents and suggests that Young Sheldon could fix these issues.