As with many more modern "Open source" projects, the openness is more of a "You can try for free, and once you need production level SLA come call us". While the source code is available to look at it's more of a facade as almost no one change it but the owning company. Limited by complexity of the project, maintainer politics and IP around supporting tools and materials.

OSS has basically theseus shiped into something completely different. Not a criticism just an observation.