Slow moving enterprises in technology world are an age old phenomena. Even - long established, waterfall pattern following - enterprises are acknowledging this and speeding up their cycles. In the current world of fast pace technology, one cannot justify by giving such examples.
That is why the decision has not been made yet, they are discussing. Every user has different preferences, and maybe you will get to have both the options :)
Hi, in Aurora, the Developer Toolbar has a button Debugger (as seen in the screencast of the blogpost of command line too) which can be used to open the Debugger.
You can also manage the debugger by the 'dbg' command