It's not that you're arguing with their opinion; you're arguing an actual issue of legitimate fact. With the right words, you can do it in a way that won't irritate whoever is on the receiving end.
5 Techniques to Build a More Powerful Speaking Voice
"One of the key skills that will set leaders apart will be how they show up and communicate... the quality of your 'vocal presence' can transform not just the delivery of your message, but its very impact."