Bogie, keep going because you have some very intuitive and 'possibly' valid and useful ideas!

Graviton's, Higgs boson/field, Strings, and all the rest I noted above, are 'all' speculative, and when this all shakes out, the one that describes the 'base unit' the best will win.

Hint; There are no 'ultimate' black holes or big crunches. Just deal with what we do know...that massive black holes reside in the center of galaxies.

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RussT
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Everything is, as it should be, otherwise, it wouldn't be!