Bad sprites quality in editor and good on android devices

The above screenshot shows the view panel in unity while constructing the main menu for my game. The background's size is 1024x512, a size completely normal for android mobile devices and it looks good indeed. Even on phones with very high resoltuion it still looks good. But as you can see here the quality of the images in the editor is quite bad. My assumption is that this is because of the PPI. On my laptop is 100, and on the android devices that I'm testing is a lot more.

Is this normal? It's kind of uncomfortable developing like this. When I enlarge the images(e.g. the background to become 2048x1024, with it the buttons to go bigger as well) it's fine in the editor but I see no need making the size 2k per 1k when it's pretty much more than fine with its current resolution on any devices.

Why is this happening? PPI? How can I fix it? Can I fix it at all?