I think you're overshooting in your advice in the service of preventing the bigger mistake of turning around and reading slide contents verbatim (on which I certain agree with you). That's fine, but for veteran presenters, I think your advice is wrong. First, you should have text because you lose your audience no matter what (sneezing, emails, bathroom, etc). You should let them recontextualize and that involves judicious use of text. Also, everyone asks for slide decks after talks and they should be useful in that case even without a recording. Lastly reading doesn't mean, "turn away from your audience and read", it is the same as repeating key points - this can be done for emphasis or pacing, as long as it's intentional. This is my opinion based on my experience, at least.
"Also, everyone asks for slide decks after talks and they should be useful in that case even without a recording"
I am happy to provide copies of my slides, but no, I am under no obligation to make them useful without me presenting them. They're my tools, not your reference.
IMO, this expectation has been driven by bad presenters leading people to believe they can get the same content without bothering to show up to the talk. Maybe that's true, but if it is, you should wonder why you're giving the talk at all.
