It's impossible to judge without listening to both sides, but it's very unlikely that he found a flaw in an equation. Equation are easy to prove with experiment

It's impossible to judge without listening to both sides, but it's very unlikely that he found a flaw in an equation. Equation are easy to prove with experiments. It's why whole physic science is so addicted to predictions, because numbers cannot lie. If he found a flaw in a equation, then he can just calculate, measure, and publish.