When is it worth it to argue over definitions?

It’s almost always a waste of time debating definitions with people (“semantic debates”). Just stop for a moment to define terms or switch to using the other person's definition so you don’t talk past each other. Definitions can be whatever we want them to be, and most of the time the important thing is just that our definitions match closely enough so that we can communicate effectively. Attempts to argue about definitions usually are a fool’s errand. And yet... there are some situations...
More

I’m an extreme non-credentialist – what about you?

Photo by Good Free Photos on Unsplash
I'm an extreme (>99th percentile) non-credentialist. Does that mean if I find out someone has a nutrition Ph.D., then I don't think they know more about nutrition than most random people? Of course not. Credentials are evidence of what someone knows (e.g., having a nutrition Ph.D. is evidence that you have nutrition knowledge). But part of what makes me an extreme non-credentialist is that if I spend an hour watching someone with a nutrition Ph.D. debate a completely self-taught person, a...
More