Some speculative aspects ? It is all speculative . BH . Mathematical Speculation . Thats it .
Well, you will have to prove Penrose and Hawking wrong. Penrose was one of the scientists who received the Nobel prize for this theory.
How The Penrose Singularity Theorem Predicts The End of Space Time
But perhaps also predicts the creation of new universes. In any case it explains what happens in a black hole and why there are empty spaces in the spacetime web.
The Royal Swedish Academy of Sciences has decided to award the Nobel Prize in Physics 2020
with one half to
ROGER PENROSE
Born 1931 in Colchester, UK. Ph.D.
1957 at University of Cambridge, UK.
Professor at University of Oxford, UK
“for the discovery that black hole formation is a robust prediction of the general theory of relativity”
and the other half jointly to
REINHARD GENZEL
Born 1952 in Bad Homburg vor
der Höhe, Germany. Ph.D. 1978
at University of Bonn, Germany.
Director at Max Planck Institute for
Extraterrestrial Physics, Garching,
Germany and Professor at University
of California, Berkeley, USA.
and
ANDREA GHEZ
Born 1965 in City of New York, USA.
Ph.D. 1992 at California Institute of
Technology, Pasadena, USA.
Professor at University of California,
Los Angeles, USA.
“for the discovery of a supermassive compact object at the centre of our galaxy”
https://www.nobelprize.org/prizes/physics/2020/press-release/