That's like saying C++ exe's are portable if you just ignore all platforms that don't have an NT kernel.
Market share determines a platform's relevance to portability claims, not its intention towards the JVM.
Re:Java 16
by jacques_chester on Tuesday March 16, 2021 @03:23PM
(#26481600)
I see that your goalposts in this discussion are also highly portable.
Platforms that do not aim to do that are not really relevant.