Your opinion is as good as mine, but when a itinerary shows on Strava because it's used a lot, I feel like the usefulness is there, don't you think? Take a look at the OSM map with the Strava Heatmap ON and you'll see what I mean : 
https://www.strava.com/maps/global-heatmap?sport=BackcountrySki&style=winter&terrain=false&labels=true&poi=true&cPhotos=true&3d=false&gColor=mobileblue&gOpacity=100#14.26/42.89647/43.02034