Accelerando had a lot of great ideas, including this one taken to its logical extreme -- companies owned by companies whose directors are themselves python scripts. Didn't much like the story, but the ideas are lovely.

Near the end of the second link you provided, Johnson says that the new amendment prohibits transfer of interest, even say, to your next of kin. I suppose this will lead these firms to setup themselves to distribute nearly all of their revenue to their partners, rather than maintaining large excess capital beyond that needed for, say, foreseeable upkeep.