Distinguish via_ferrata as sport build just for the sake of them from via_ferratas that are parts of

General talk Tagging general discussion
20

There are plenty of these

[out:json][timeout:25];
(
  way["via_ferrata_scale"]["access"="no"]["foot"="yes"];
  relation["via_ferrata_scale"]["access"="no"]["foot"="yes"];
);
out body;
>;
out skel qt;

and none of these

[out:json][timeout:25];
(
  way["via_ferrata_scale"]["access"="no"]["foot:conditional"];
  relation["via_ferrata_scale"]["access"="no"]["foot:conditional"];
);
out body;
>;
out skel qt;