These are all fair points for Java on the JVM or Android, but Kotlin Multiplatform does things that are well beyond the purview of the JCP. It has downsides to

These are all fair points for Java on the JVM or Android, but Kotlin Multiplatform does things that are well beyond the purview of the JCP. It has downsides to be sure but it's not as simple as evaluating it as just another option for compiling to bytecode anymore.