The easy fix to this is sharing presentation files before the meeting so everyone can follow along however they want. Meetings should mostly be to discuss the information that you already have, not to be surprised with brand new information.
The point isn't to come completely informed. Just enough to prepare some thoughts and questions.
If only. Bosses can really only mess things up. Leadership sets expectations, but employees as a group have to keep each other in check, and propagate the culture to new hires as they come on board, or things deflate pretty quickly.