[moegev]

What does "have you tried OSM" mean? If I understand the thread, they're talking about the feasibility of "safe/annoyance-free" bike routing. Are you suggesting apps like OSMAnd? Or are you suggesting that they simply complete the map for their areas of interest?

[n_plus_1_acc]

OsmAnd is very good, but also fitness apps like strava offen use OSM data. By adding more detailed data, you could influence their routing.