It is hard to have such conversations, because they tend to be more ideologic than technical.
Most of the systems that we had in such directions, like Xerox PARC and ETHZ endevours, Inferno, Microsoft research, usually failed not because of technical issues (which they had), but because management decided to spend money elsewhere.
As proven by stuff like Android, JavaScript JIT and similar projects, it isn't a MVP product, rather something that you really need to be willing to spend years putting money into to prove a point, and the large majority isn't into it.
Regarding information, the now abandoned Android Things replaced the original Brillo project, whereas Brillo was Android without Java everything C++, Android Things became a subset of Android, where for security reasons drivers would have to be written in Java.
https://developer.android.com/reference/com/google/android/t...
Since Project Treble, Android allows for writing Treble drivers in Java,
https://source.android.com/devices/architecture/hidl
Apple's continuous push for Swift (they even made the point at WWDC 2022 that Objective-C is done and thank him for all the fish) is another example, so anything coming from them. Yes, Swift does count as managed language, as RC is a GC algorithm.