The point of these lectures is mostly not to teach how to work with Turing machines, it is to understand the theoretical limits of computers. The Turing machine is just a simple to describe and well-studied tool used to explore that.

For example, are there things there that cannot be computed on a computer, no matter for how long it computes? What about if the computer is able to make guesses along the way, can it compute more? Because of this comic, no — it would only be a lot faster.

Arguably, many programmers can do their job even without knowing any of that. But it certainly helps with seeing the big picture.

By the way, the vim extension for VScode is great, so why not combine both.