Great blog post by @staltz measuring "Time Till Open Source Alternative" #TTOSA showing downwards trend in no. of days to replace proprietary stuff with #FOSS. Nice observations to ponder.
https://staltz.com/time-till-open-source-alternative.html
"The Endgame? All software will be open source, and no one will make money with software"
Hinted at in the article: Adoption is an issue. A HN comment says it best: "open source as a whole sucks at building products, but is great at building infrastructure"