it would be -I suppose- very easy to in the introjucer generate LF and not CRLF on OSX, right?
The whole point of the introjucer is that it creates files that you can use in ALL editors and compilers, on all platforms. The best line-ending for achieving that is CRLF, which in my experience works perfectly everywhere.
Personally, I keep all my code in a shared folder which is used by my Windows, OSX and Linux machines. I may run the introjucer in OSX, and then use the resulting project files from Windows. How could that work if the output of the introjucer was dependent on the OS that it was running in?