From the post it would seem the very low usage numbers had more to do with it than anything you did. "Scott Helme found in August 2016 that very few of the Ale

From the post it would seem the very low usage numbers had more to do with it than anything you did. "Scott Helme found in August 2016 that very few of the Alex [sic] Top 1 Million sites were using HPKP (375) or the Report-Only (RO) variant (76):"