Perhaps that would be true for male roos, i was under the impression female roos where a differant story, i know of one that lives near some of my relatives that was released by ignorant hippy type carers(a long way away from any other roos) and although it romes freely it is as domsticated and peaceful as any other domestic animal and will go into ppls houses if the door is left open. One story i saw on TV was a family with a peaceful well adapted doe that was take with force while all the kids where crying etc.
I wasnt blaming the person who pulls the trigger, but the person who bans the keeping of native wildlife, making this the ONLY option. Its also obviously the fault of the owner assuming they knew it was illegal(many wouldnt think that such stupid laws existed).