You’re just asking whether graphics pros use Mac’s. Yes. Many do.
Did you know it works many places, not just the Finder, including places where there is no preview pane? (Eg with items on the Desktop.)
Did you know you can do useful things right in the Quickview, like mark up an image or PDF? Here’s more: https://www.maketecheasier.com/use-quick-look-macos/