Depends. The main point the author in the OP doesn't seem to understand: Know your audience. "Dumb down" your writing, but only if it will help you communicat

Depends. The main point the author in the OP doesn't seem to understand: Know your audience. "Dumb down" your writing, but only if it will help you communicate with the person (or people) you're targeting. Else there's no benefit to it.