Why has Berlin 'unpublished' the mouse events in FMX?

Why has Berlin 'unpublished' the mouse events in FMX?  
Is this not a bug on OSX and WIN FMX targets? 

This is a followup on:
http://stackoverflow.com/questions/38282308/how-can-i-create-an-event-handler-for-a-non-published-but-public-event-in-delphi/38282701#38282701

I'm wondering why this has not been solved using an IFDEF and whether I should submit a bug report or not. 
http://stackoverflow.com/questions/38282308/how-can-i-create-an-event-handler-for-a-non-published-but-public-event-in-delphi/38282701#38282701