[bigheadfred]

Eventually, the star would meet the event horizon and the black hole would dematerialize in an instant as all the information it had ever sucked in was cast out into the universe.

I don't know about "in an instant" but isn't this idea a bit like what quasars are doing?

[SunkenCiv]

It has occurred to some that quasars are the output of the black holes’ input, also there’s this:

http://cds.cern.ch/record/340683/files/9712164.pdf
http://link.springer.com/chapter/10.1007/978-94-009-0145-2_34#page-1