I spend time.
An elephant and a bird are strictly the same when it comes to sharing ideas and frustrations about life.
Open data is more likely to save cost than to create value. Same applies to open code.
There is no privacy on the Internet and there will never be as noone is ready the pay for it.
Confidentiality, integrity, and avaiability are only achievable when "made by design and by default". All attempts to retro-fit those are a waste of resources.