IMO there is a little too much emphasis on specific keywords. The magic is in clusters.
Just an FYI Google has openly stated that engagement is not a ranking factor.
https://www.seroundtable.com/google-user-engagement-seo-33077.html
Written by Jay Clair
Head of Marketing at Bluesfest. SEO Nerd & Writer. About Me: Contrarian, rational optimist, curiosity is king.