The link is to a more formal essay on the problem with Moffat's version of the Irene Adler story. It's worth reading. My account is more about a Jewish perspective, and the image of the sexually-overcharged Jewish woman.
Is Sherlock sexist? Steven Moffat's wanton women
In Moffat's hands the power of Irene Adler, Sherlock Holmes's female adversary, was sexual, not intellectual. A regressive step