The commit message succeeds in justifying the effort but lacks an in-depth understanding of the related mechanics. I can imagine the developer felt bad about 'only' committing a one character change at the end of the day and wrote the message to make up for it. Because of this un-economic outcome, he hesitated to dig deeper.

There is no reason to feel bad.

The cultural issue is bad management that still evaluates developers by lines of code / commit activity.