same for me

The only non-video section in Data Ingestion with Delta Lake course is a section named Course Logistics Review
with the text below:
Working through this course 

This course contains a series of lectures and in-product demos that guide you through important concepts and best practices on Databricks.  

Databricks Academy Labs

We are pleased to offer a version of this course that also contains hands-on practice via a Databricks Academy Labs subscription. With a Databricks Academy Labs subscription, you gain access to a library of our most popular courses that each contain a lab environment where you can practice what you learn via hands-on labs.

You can purchase the Databricks Academy Labs subscription directly from the Databricks Academy website:

customer-academy.databricks.com for Databricks customers and the general public
partner-academy.databricks.com for Databricks partners
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Does it mean there are only paid versions of the demo notebooks?