If your goal is to help people find something that they could try, i.e. telling people about using galangal instead of ginger, then sure. Since "authentic" is

If your goal is to help people find something that they could try, i.e. telling people about using galangal instead of ginger, then sure. Since "authentic" is such a weird and ephemeral thing that's hard to pin down, policing people's language generally just comes across as petty and small.