Interesting. Sounds plausible. Also, and I mean this respectfully, it also could be a plausible-sounding just-so story. How could this be fixed? If true, what

Interesting. Sounds plausible. Also, and I mean this respectfully, it also could be a plausible-sounding just-so story. How could this be fixed? If true, what would we expect to see, versus its not being true?