I was mistaken and said KDE rather than GTK theme but you just need to add this add an environment variable before the operator on the desktop shortcut file and it should work
_JAVA_OPTIONS="-Dawt.useSystemAAFontSettings=on -Dswing.aatext=true -Dswing.defaultlaf=com.sun.java.swing.plaf.gtk.GTKLookAndFeel -Dswing.crossplatformlaf=com.sun.java.swing.plaf.gtk.GTKLookAndFeel ${_JAVA_OPTIONS}"
In the UK we have the Criminal Justice and Public Order Act 1994 section 60aa where the police are able to make anyone within an area remove a mask when a there is a large crowd and a senior cop decides to fill in the paperaorj. There has been a recent increase in its usage in the last 4-ish years.