It means less regulatories in the way for restructuring for one thing... LUMINENT MTG CAP INC(Other OTC: LUMC.PK)
Many major global corps list OTC or on Pink Sheets even such as Nestle's whose stock is over $115.00/share, Air Franc, Nortel Investors, Alaska State Bank whose stock was like $3,000.00/share, etc and many others list OTC and/or Pink Sheets and are highly capitalized and DO NOT list on the regulated exchanges like NASDAQ, AMEX or NYSE.
There are many reasons to list off the regulated exchanges..