Thanks for sharing your question Perttu Talasniemi. Yes, I regard the development team as a cross-functional, self-organising team that includes people with the right design skills, as I explain, for example, in this article: https://www.romanpichler.com/blog/stable-teams/

Another reason for not talking about design is the article’s focus: I wanted to discuss how product strategy and execution can be effectively linked and I have consequently omitted some of the deatils.

Hope this helps!