My long standing idea that black holes had something to do with the 'recent' acceleration of expanding universal space since a growing number of black holes are generating more space. 'Recent' in this case was about 7 billion years ago. I'm in good company since Roger Penrose has shown a connection with time space conversion in black holes.
Will this ever be proven? Probably not but it doesn't make it a false concept. It does make me a Penrose fan. (but not vice versa :

When I saw the supposed whale hologram I saw bullshit and snopes confirmed it.