If we assume that fermions are propeller shaped rigid but transformable strings.
Then: BHs repel all sorts of Fermion propeller shaped strings (=all mass) and eat smaller black holes , photons and the vacuum ZPE Axion-Higgs field. Thats all needed for a cyclic CP symmetric pocket raspberry multiverse. see the conscious undivided (Raspberry) multiverse.:
https://bigbang-entanglement.blogspot.com/2019/09/are-we-all-wrong-about-black-holes-of.html
According to Quantum FFF Model.
see: http://vixra.org/pdf/1905.0123v2.pdf
Equal sized Black Holes do not merge but form dual Herbig Haro systems with stars/ galaxies in between.
Craig Callender, a philosopher of science at the University of California, San Diego, argues that the connection between black holes and thermodynamics is less ironclad than assumed.
https://www.quantamagazine.org/craig-callender-are-we-all-wrong-about-black-holes-20190905/
see also: https://www.researchgate.net/publication/335920727_The_Fermion_Repelling_String_Black_Hole_the_origin_of_a_Cyclic_Raspberry_Multiverse
So: the new kid on the block is: