Banking isn't just any other business. Its role in facilitating the business of the nation means that when banking goes seriously astray, the economy suffers more badly than it would if, say, the retailing industry got into trouble (as serious as the latter would be).
Hence, certain higher standards of prudence are required of banks than of the average corporate entity, and there is more intrusive supervision of their activities. This is very important, but I will say no more about it, since the Chairman of APRA will speak later this morning. 1/4  Let me focus instead on two other issues at more length.