For Hawking, radiation was steady and thermal (no data) until the black hole evaporates down to Planck scale, at which it would be impossible to release all the

For Hawking, radiation was steady and thermal (no data) until the black hole evaporates down to Planck scale, at which it would be impossible to release all the entropy, leading to the paradox of information loss. What you quote is Don Page's view, that past the Page time, the black hole entropy starts to decrease.