Thomas re “we never have results conclusively beyond chemical, yet often have results in the margin of error”
Thomas, You are entitled to your opinion but not your facts. And The above statement is a claim, not a fact.
And the conclusion that LENR exists is not only based on excess heat developped, but also on anomalous amount of particles, like tritium, neutrons, He4 generation as some examples.
The below graph show a nice correlation between He4 generation and excess heat measurement, as one single example from a paper from 1998.