jaimemd
The path are linked, but by an abandoned Via Ferrata with access=no sac_scale=demanding_alpine_hiking. If this is true it is right to not being used by routing algorithms. It this is not true you will have to change the ways yourself in case you know better. On wikiloc.com only a few trails go through. Most of the hikers who showed up there turned around and went back. This does not indicate the existence of a normal "path".