"meet the new boss, same as the old boss" meaning in English

{
  "etymology_text": "From the final line of the song \"Won't Get Fooled Again\" by the Who, written by guitarist and primary songwriter Pete Townshend.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase"
      },
      "expansion": "meet the new boss, same as the old boss",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "In life, nothing really changes so one should not have illusions."
      ],
      "id": "en-meet_the_new_boss,_same_as_the_old_boss-en-phrase-XAUs4L-3",
      "links": [
        [
          "sarcastic",
          "sarcastic"
        ],
        [
          "life",
          "life"
        ],
        [
          "change",
          "change"
        ],
        [
          "illusion",
          "illusion"
        ]
      ],
      "raw_glosses": [
        "(informal, sarcastic) In life, nothing really changes so one should not have illusions."
      ],
      "tags": [
        "informal",
        "sarcastic"
      ],
      "wikipedia": [
        "Pete Townshend",
        "Won't Get Fooled Again",
        "the Who"
      ]
    }
  ],
  "word": "meet the new boss, same as the old boss"
}

{
  "etymology_text": "From the final line of the song \"Won't Get Fooled Again\" by the Who, written by guitarist and primary songwriter Pete Townshend.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase"
      },
      "expansion": "meet the new boss, same as the old boss",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English informal terms",
        "English lemmas",
        "English multiword terms",
        "English phrases",
        "English sarcastic terms",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "In life, nothing really changes so one should not have illusions."
      ],
      "links": [
        [
          "sarcastic",
          "sarcastic"
        ],
        [
          "life",
          "life"
        ],
        [
          "change",
          "change"
        ],
        [
          "illusion",
          "illusion"
        ]
      ],
      "raw_glosses": [
        "(informal, sarcastic) In life, nothing really changes so one should not have illusions."
      ],
      "tags": [
        "informal",
        "sarcastic"
      ],
      "wikipedia": [
        "Pete Townshend",
        "Won't Get Fooled Again",
        "the Who"
      ]
    }
  ],
  "word": "meet the new boss, same as the old boss"
}