The proposed change is indeed game-changing, and the Python community should be excited about it. It's interesting to note that Python, in spite of being around for 32 years, is still evolving to accommodate modern programming demands.

Your exploration of the sub-interpreters is particularly enlightening, offering a glimpse into the future of Python concurrency. However, as you rightly pointed out, its current form is a bit challenging for the average Python developer. It would be great to see a Python-friendly API for these functionalities in future releases.

This update highlights the consistent work being put into the Python language by its contributors, like Eric Snow, ensuring its continuous growth and versatility. Your blog post is an excellent resource for anyone who wants to understand the forthcoming changes and how they might affect Python's concurrency model.

The idea of ​​channels akin to those in Golang is intriguing and can potentially open up new possibilities for Python-based concurrent programming. It is also reassuring to note that Python is seemingly moving towards offering more native concurrency capabilities.

As we wait for the full integration of these features into Python 3.13, we can appreciate the dedication of the Python community in its constant endeavor to enhance the language.