He jokes that he thinks there are "more errors than code [he] wrote," and goes through them with a positive attitude. Throughout the course, he is also aware and openly talks & jokes about the limitations of C as a programming language, then discusses workarounds. Any feelings of frustrations due to errors are then blunted quite a bit, because of prior exposure in the lectures.
It's remarkable how the tone is quite similar. Perhaps Prof. Malan is the rough equivalent of Bob Ross for programming today.
Even knowing this, he still brings the joy to me, every time I watch him.
The general message still holds I think: "you're painting for your own enjoyment, there is no 'good' or 'bad' and the only thing that matters is that you're having fun".
Other Bill Alexander paintings you can find online are competent. Uninspired but competent. The one in the "The Magic of Oil Painting III" is wretched.
Clearly the three drafts are an important aspect of the final Bob Ross process.
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Thus ends the short career of Programmer Bob Ross.