HN readers like yourself are a big plus, it lends the site diversity. There is also a fairly big age range.
I would definitely agree with point A.
The odd gem, like [0].
Advice or pointers from other HN readers.
I do not work in the software industry, but I would call myself a hacker.
The term "hacker" can be interpreted in imaginative ways, I wouldn't be surprised to find hackers in your area of work.