I like to see everything too even abandoned not usable tracks but some of the dual tagging on unused ways is tagging for the renderer and doesn't best describe the situation on the ground.   I use OSMAND which shows abandoned tracks very lightly in the default osmand map style though not in most of the other preinstalled styles but it is possible to create and share custom map styles that render things in different ways.  looks like maybe you could create a custom layer with paid version of caltopo that might be able to do something similar.   There was a discussion recently in a Catskills hiving group about low quality trails appearing on Alltrails which seems to render all unofficial trails the same.  Ideally every app would have a toggle to show disused and abandoned trails but most unfortunately don't.   