They are big enough to follow all paths concurrently. The F is famously doing their own PHP and while the G was tickling "shiny receptors" all over the world with Go (which ironically could be seen as an example in boring technology enlightenment, considering how it is basically a modern take on 1980ies language features), they were also doing so much plain old java that the parts of the internal tooling they did for maintaining their own sanity published as Guava easily had more impact on the viability of java as a language than everything Oracle has ever released (yes, including Java 8 lambdas).