It doesn’t presume that it had to, it just conjectures that it is either more likely or not significantly less likely than the scenarios you listed.
We can’t rule it out, ie. we only have evidence right now to try to make a determination based on the preponderance of evidence, not beyond a reasonable doubt. The story that is emerging is that we may never be able to prove something beyond a reasonable doubt because the debate was quashed for a year by political concerns, institutional biases, and motivated reasoning.
We can’t rule it out, ie. we only have evidence right now to try to make a determination based on the preponderance of evidence, not beyond a reasonable doubt. The story that is emerging is that we may never be able to prove something beyond a reasonable doubt because the debate was quashed for a year by political concerns, institutional biases, and motivated reasoning.