Many worlds theory

[Sethomas]

Current big bang models don't try to explain the source of the primeval matter, they merely describe what happens at certain points in time ATB in regards to energy levels, mass, matter-antimatter ratios, and the like. So yes, thermodynamics are indeed rather important at such levels, so your point is moot.

And Pern, wave particle duality is something that's actually been witnessed, by light slit experiments and lots of other fun things. You would have a point if there had ever been an experiment wherein energy comes from nothing. Science has to be anchored by both reason and observation. Not only do the laws of thermodynamics make rational sense, but it has been witnessed in the lab innumerable times.