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I am not sure I am spending any energy to be, or not be, 'dogmatic'. There are things we don't understand, but for daily practical purposes, we have developed mathematics, science, and physics that govern our daily lives and the work we do. So common sense and application of what we know helps us go forward to explore the unknown.

Regarding your greater curiosities and what is or is not settled science in the real of cosmology (not to be confused with cosmetology), I will just quote Ferris Beuller:

I quote John Lennon, "I don't believe in Beatles, I just believe in me." Good point there. After all, he was the walrus. I could be the walrus. I'd still have to bum rides off people.