Organizations get out of Open Source what they put in. However, those benefits may not always be in software contributions, notoriety, or even activity.
Whether you are a modern software company like Netflix or Microsoft, a major bank like Capitol One , Goldman Sachs, or Societe Generale, or a media company like the BBC, open source is defining how modern companies operate.
OSS is a CxO concern just like an failing supply chain issue should be. That's one way to think of bullet 1 above, as a supply chain problem.
The Open Source Fridays Business page is a good discussion of benefits to the corporation (and how anyone can compete with the valley).