Blackholes aren't the end - they evaporate. The photons had a gravitational field before the black hole. Their gravitational field is merely summed. Their tota

Blackholes aren't the end - they evaporate. The photons had a gravitational field before the black hole. Their gravitational field is merely summed. Their total gravity is still conserved. Nothing has really changed. The fate of the universe is still going to be a balancing act..