> People tend to hoard information. They are scared sharing it will make them look silly, or lose the power they think it provides.

People tend to hoard information because they are incentivized to hoard information: it has a real benefit for individuals in many companies, particularly in terms of job security.

> The solution is to make communication legible: write it down and work in public.

This is not the solution. Removing the influencing forces that incentivize knowledge hoarding is the solution.