Most often in others, I see time estimation arrogance. In myself, I see too much confidence in my ability to assimilate new unrelated (to regular work) knowledge.
By far in myself and others is the belief that we can design and a scalable, maintainable architecture without the input of others - in a vacuum.
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.