Wouldn't it be nice if Java allowed normal shebangs?

gistfile1.txt

# Shebangs are supported in Java 11, but only if:
# * You pass "--source 11" to a fully-qualifed `java` command.
# * The script does *not* end with .java.

[] ~/projects/jruby $ cat Blah.java
public class Blah {
  public static void main(String[] args) {
    return;
  }
}

[] ~/projects/jruby $ java Blah.java

[] ~/projects/jruby $ diff Blah.java Blah2.java
0a1
> #!/usr/bin/env java

[] ~/projects/jruby $ ./Blah2.java 
./Blah2.java:1: error: illegal character: '#'
#!/usr/bin/env java
^
./Blah2.java:1: error: class, interface, or enum expected
#!/usr/bin/env java
  ^
2 errors
error: compilation failed

[] ~/projects/jruby $ diff Blah2.java Blah3.java 
1c1
< #!/usr/bin/env java
---
> #!/Library/Java/JavaVirtualMachines/jdk-11.0.2.jdk/Contents/Home/bin/java --source 11

[] ~/projects/jruby $ ./Blah3.java 
./Blah3.java:1: error: illegal character: '#'
#!/Library/Java/JavaVirtualMachines/jdk-11.0.2.jdk/Contents/Home/bin/java --source 11
^
./Blah3.java:1: error: class, interface, or enum expected
#!/Library/Java/JavaVirtualMachines/jdk-11.0.2.jdk/Contents/Home/bin/java --source 11
  ^
2 errors
error: compilation failed

[] ~/projects/jruby $ mv Blah3.java blah4

[] ~/projects/jruby $ ./blah4