Mach tactics -> Can be used, but knowing helps a bit with defending

On widespreadness of Information:

On one hand, knowing can help with Defense.

On the other hand, knowing can also invoke Bad Things.

And certain things just shouldn't be known!

This is perhaps the case with Guns, Crime... "safety". However, knowing doesn't necessarily mean doing. Still,l society loves safety and its PR, so...

Intelligence can be misused. But intelligence can also be well-used. Perhaps technology companies just tell users based on relevance and, of course, in their own interest, don't leak the whole source code...