I've heard people who work in government or corporate environments often can't publish or sometimes even talk about what they've worked on.
All the more reason to have a personal portfolio. Just like an artist needs a portfolio to show potential employers, so too a programmer should have a portfolio of work to show their level of proficiency.
We're a place where coders share, stay up-to-date and grow their careers.
We strive for transparency and don't collect excess data.