Earlier quoted context omitted.
What? If you're writing software being able to produce clear documentation, write-ups, and other supplemental materials is quite important. In some cases, far more important than writing the actual code. In some hires I've used a descriptive writing assignment, where I ask the candidate to describe in words what they are looking at. You can learn much from these things, including: analysis skills, close looking, how…
> What? If you're writing software being able to produce clear documentation, write-ups, and other supplemental materials is quite important. In some cases, far more important than writing the actual code. You are taking it to the extreme where there are only 2 states: grammar purists and monkeys banging at keyboard. Someone who mixes up "its" and "it's" is capable of all the important stuff you listed. I mix "its" a…
As for periods outside of parentheses or not, that's syntax, not grammar. Your position here is weak. Good grammar is an indication that the person wielding the language at least takes care over what they're doing. A valuable trait for anyone, no matter what.