While a discussion of math is all good, I also think it would be good to support robust investigations of how 16 bit, 44.1k compares to higher resolution music in actual controlled listening environments. While many are critical of the Meyer & Moran study, the best way to respond to it is with...
FWIW, the ASA is not a government regulatory body - it's an industry self-regulating body with public funding via taxes. And it's not just a UK thing: the complaintant can be from anywhere, complaining about any firm in the UK or in a country that has a similar group with relations with ASA...
OK, let's add some info:
Recent ASA busts in the audio world (rulings using "audio" search term):
http://asa.org.uk/Rulings/Adjudications/2012/1/Alacrity-Audio/SHP_ADJ_176028.aspx
http://asa.org.uk/Rulings/Adjudications/2011/1/Russ-Andrews-Accessories-Ltd/TF_ADJ_49597.aspx...
In case you missed it, http://www.whatsbestforum.com/showthread.php?10954-JPLAY-Responds-An-Open-Letter&p=240403&viewfull=1#post240403.
Complaints can be filed while keeping identity information confidential, so help preserve integrity in audio by eliminating fraudulent marketing practices.
Looks like the Brits have an organization to take on firms that make spurious, misleading or unproven claims - in this case, an audio cable company :http://asa.org.uk/Rulings/Adjudications/2011/1/Russ-Andrews-Accessories-Ltd/TF_ADJ_49597.aspx.
If the ASA can find fault with the cable...