The article argues that writers should not rely solely on Substack as their digital home, but instead have their own website to maintain control and autonomy over their content. Substack is seen as a distribution tool, not a replacement for a personal website. The author suggests using the POSSE method: Publish on your Own Site, Syndicate Elsewhere. This approach allows writers to maintain ownership and control over their content while still reaching a wider audience through platforms like Substack.