Well… Einstein didn’t need a complete theory of quantum electrodynamics to predict the coefficients of spontaneous emission from thermodynamical arguments; I don’t think Bekenstein and Hawking need a complete theory of quantum gravity to make predictions other than those of classical GR either.
Well… Einstein didn’t need a complete theory of quantum electrodynamics to predict the coefficients of spontaneous emission from thermodynamical arguments; I don’t think Bekenstein and Hawking need a complete theory of quantum gravity to make predictions other than those of classical GR either.