The more egregious the graphic the greater the opportunity to show the efforts your opponent will take to mislead the jury. Use the graphic to cross examine unsuspecting opposing experts. They will either agree that the graphics are misleading or look foolish trying to justify a graphic they didn’t create.
Jurors know that everyone else in the courtroom is getting paid more than they are for being there, or at least they’re trying to.
Jurors will not discount expert testimony based on the expert’s hourly rate, though sometimes they may tell you that after the trial when they did not understand or believe your expert’s conclusions.