For that you need different people and communities, not different tools

well, in some realities but that’s not the rule. Many organizations don’t separate product designers, UX designers and software developers. Actually the whole point of the article, or at least my understanding of the failure of Agile, is that the vast majority of developers are involved in the design process without actually getting autonomy and power out of it.

Be aware that the author of this blog is a well known Italian nazi-transhumanist that is famous for making shit up about himself, his expertise and the IT industry since the early '00. Don’t trust a single word that comes out of his mouth.