Being spontaneous is not always a bad thing. :) @ Genki at Bishan https://t.co/AtGFdpbEpQ
Central Region
[{'url': 'https://t.co/AtGFdpbEpQ', 'expanded_url': 'https://www.instagram.com/p/CQsfnDnnepOT-bFWnyMD77AA583ePQ7MxRRYGk0/?utm_medium=twitter', 'display_url': 'instagram.com/p/CQsfnDnnepOT…', 'indices': [66, 89]}]
BISHAN EAST
['spontaneous', 'always', 'bad', 'thing', ':)', 'genki', 'bishan', 'https://t.co/atgfdpbepq']
['bad', 'bad', 'bad', 'bad', 'bad']
being spontaneous always thing
spontaneous always bad thing genki bishan
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance report feedback."},
    ]

It seems that the Twitter post "spontaneous always bad thing genki bishan" does not relate to a maintenance report feedback to public flat house. The term "genki bishan" is not a common term used in the context of public housing or maintenance reports, and the phrase "spontaneous always bad thing" does not convey any specific information or issue related to public housing. Therefore, the answer is that the post does not relate to a maintenance report feedback to public flat house.