Overwriting that scaling with this slider will cause weird things to happen, like text overlapping boxes and such. These UIs can usually be scaled from within their configuration menu, or ...

Set the display size to Default or Larger Text In > System Settings > Displays with your large display selected, the default settings shown have a “Use as” section with at least four choices.

The consequence is that text is not perfectly sharp and things like 1px lines will never quite fit the pixel grid. Some UI elements will look a little fuzzy. Therefore, the screen resolution ...

You can make the text and items on your screen larger, or sharper, by adjusting the resolution settings on your Mac. Learn how to change your aspect ratio and screen resolution settings in macOS ...