Not in a formal, deductive way but it’s not obviously wrong to initially give an authority a bit of credence. In this particular case, you brought up Bhattacha

Not in a formal, deductive way but it’s not obviously wrong to initially give an authority a bit of credence. In this particular case, you brought up Bhattacharya‘s credentials. If another plausible expert disagrees with him, we’re at worst back to where we started; the fact that there’s a consensus he’s wrong, rather than just two dueling authorities, pushes back even harder.