The article discusses the issue of slow space switching on macOS and the author's discovery of a native solution called InstantSpaceSwitcher, which allows for instant space switching without the need for third-party window managers or disabling System Integrity Protection. The author finds this solution to be the best among the alternatives, which include enabling the 'Reduce motion' setting, using yabai or other tiling window managers, and paying for a license for BetterTouchTool. InstantSpaceSwitcher works by simulating a trackpad swipe with a large amount of velocity and can be installed via Homebrew or by building from source. The author recommends trying InstantSpaceSwitcher and considers it a trustworthy solution.