Who doesn't support one? So far, the Libs don't want one, because ahem there are too many enquiries. I agree with them, the RC into Pink Batts is a waste of time and money and the dollar value lost in AWU, HSU is dwarfed by small investors losing their life savings as a result of sharks in the CBA and others.
The upshot of it all is the most important RC wont be one because the Libs are looking after their mates.