"It looks like this gate is on the path, but it is not. The only gates are off the path into private gardens, so I think should not be shown on top of the path (if at all?)"
The place has gone or never existed. A user of Organic Maps application has reported that the POI was visible on the map (see snapshot date below), but was not found on the ground.
OSM snapshot date: 2023-08-14T02:00:17Z
POI has no name
POI types: barrier-gate
 #organicmaps ios