> That’s not why they code, nor are the skills of writing good documentation even vaguely similar to those for writing good code. Strong disagree on that one. Writing good code is all communication - with the computer, with your colleagues, with your future self who doesn't remember how or why you did something. It's written knowledge transfer. Blocks of code, just like paragraphs of documentation, need to both fit i…
A good coder does not a good technical document writer make.
Being able to write is a skill in its own right, but it's one which anyone can acquire with practice, and it's one which many programmers would benefit greatly from. Writing code is only one part of the job, and writing documentation, requirements and design is a big part of the rest, and these parts are just as important. It's often the case that the act of writing down these things identifies inconsistencies and omissions which have not been picked up on during design or code review. And, ultimately, your libraries or application need to be used by other people, and if it isn't properly documented it's going to fall short of expectations since people won't be able to use it as intended.