This is quite interesting up until now most of the critism of RIAA has been coming from the EFF angle people against the whole DRM "you can't do what you want with our stuff even though you've paid for it!" attitude prevalent in the music and film industry.
This is on the shares and investor advice site Motley Fool, and is in essence a warning that the stock of these companies might well be not worth investing in since one of the signs of a dying industry is a tendency to legislate instead of innovate.
It's the sort of thing that in the long run might actually give someone like sony or warner pause for thought since their share price is something they actually care about.