I'm sure it's quite evident to those running the fundacion that the price of PDR's will not go up until their underlying assets value goes up. Who's going to pay .012 when you can pay .0003 .0004 .0005. Because of the secrecy of the fundation they will never be able to prove that any of the operating companies they are offering are worth what their PDR's say they are worth. With PNMS you have something to back the value on. Letting PNMS out of the fundacion to file audits will give instant credibility to the rest of the companies they are offering and IMO is the only shot PNMS has of making this all work. People need to know that PNMS, the fundacion and Panamersa own what they say they own.
To answer your question more directly the fundacion needs the exposure that larger investors can bring. If PNMS can actually prove they have what they say they have then the fundacion would offer a unique investment strategy. But they have to prove it first.