"empty suit" meaning in English

{
  "etymology_text": "Derived from unfavorable observations that ineffective professionals are memorable only for what they wear and not what they accomplish at the workplace. [c. 1970]",
  "forms": [
    {
      "form": "empty suits",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "empty suit (plural empty suits)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A person in a position of authority who is ineffective or incompetent."
      ],
      "id": "en-empty_suit-en-noun-AuyDoCr7",
      "links": [
        [
          "derogatory",
          "derogatory"
        ],
        [
          "authority",
          "authority"
        ],
        [
          "ineffective",
          "ineffective"
        ],
        [
          "incompetent",
          "incompetent"
        ]
      ],
      "raw_glosses": [
        "(derogatory) A person in a position of authority who is ineffective or incompetent."
      ],
      "related": [
        {
          "word": "stuffed shirt"
        }
      ],
      "tags": [
        "derogatory"
      ]
    }
  ],
  "word": "empty suit"
}

{
  "etymology_text": "Derived from unfavorable observations that ineffective professionals are memorable only for what they wear and not what they accomplish at the workplace. [c. 1970]",
  "forms": [
    {
      "form": "empty suits",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "empty suit (plural empty suits)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "stuffed shirt"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English derogatory terms",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns"
      ],
      "glosses": [
        "A person in a position of authority who is ineffective or incompetent."
      ],
      "links": [
        [
          "derogatory",
          "derogatory"
        ],
        [
          "authority",
          "authority"
        ],
        [
          "ineffective",
          "ineffective"
        ],
        [
          "incompetent",
          "incompetent"
        ]
      ],
      "raw_glosses": [
        "(derogatory) A person in a position of authority who is ineffective or incompetent."
      ],
      "tags": [
        "derogatory"
      ]
    }
  ],
  "word": "empty suit"
}