The "Shear Brilliance" advancement is incorrectly given by shearing a lead off a wolf

Can confirm shearing a lead off an unarmored tamed wolf gives the advancement “Shear Brilliance”.

With tamed wolf:

With wild wolf:

These observations are further confirmed by analysing the JSON definition of this advancement:

...
  "criteria": {
    "remove_wolf_armor": {
      "conditions": {
        "entity": [
          {
            "condition": "minecraft:entity_properties",
            "entity": "this",
            "predicate": {
              "type": "minecraft:wolf"
            }
          }
        ],
        "item": {
          "items": "minecraft:shears"
        }
      },
      "trigger": "minecraft:player_interacted_with_entity"
    }
  },
...

The code above suggests that any successful right-click interaction with a wolf (in this case, shearing anything off a wolf) fulfills the advancement’s criteria.