I also took many other Unreal lighting courses.
The reason why this course is good is because it goes beyond just introducing the functions.

This is because it covers a wide range of theories and applications.

Usually, the writing course itself has a lot of volume.
Dedicate the entire curriculum to introducing functions, or
There are cases where only general theories are listed with the mindset that tools do not matter.

In most cases, just watching one course is not enough.

The course itself is well structured.

I think it would be okay to read this lecture twice and create a self-study curriculum using YouTube clips.