"They knew what made developers happy (free/cheap to start, great API and documentation, scales well) and took the time to build solid infrastructure." I think

"They knew what made developers happy (free/cheap to start, great API and documentation, scales well) and took the time to build solid infrastructure." I think most big tech companies know "what made developers happy". Microsoft did, Oracle did, Google did. The difference is that Amazon decided that they want to shared with the developers their secrets, and apparently many other companies do not think in that way.