Thanks for addressing JimJ's assertions, which, like you, I believe are built on misconceptions, but I'm not quite studied enough to differentiate whether there are any serious assertions within what looks like word salad.

I am a little puzzled, however, at the above quote, where you agree with JimJ that "we live in curved spacetime." Locally, of course, this is true due to the gravitation of the Sun and galaxy. But cosmologically, observations point to a flat spacetime, or very nearly so. So JimJ's attempt to apply local conditions to the universe as a whole rather goes nowhere, as far as I can tell.

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Everyone is entitled to his own opinion, but not his own facts.