When I first got a Macbook, I tried installing an app and had no idea what to do once I saw the app icon, arrow and Applications folder with no additional instructions. I didn't figure it out and had to look it up. For an ecosystem praised for its "user friendliness", this was certainly not the best first impression.
As someone who grew up with Windows the canonical equivalent action would have been to select "install" from the dmg file's context menu (which is opened by a right click). The MacOS way to do it feels too gimmicky and different-for-being-different's sake ...