The support is that the power curve looks just like a resistance heater.
In physics many phenomena share common math what leads to same shape curves.
As experiments show: classic hot dry LENR has no ignition point. We see LENR in mixed/loaded powders at room temperature. If the full energy down-scaling path over all steps is in place then, then temperature defines the level of phonon coupling and finally the rate of energy transfer.
Thus the argument above only shows a lack of real LENR Lab experience.