Final answer:
The phrase is an example of asserting personal privacy and a desire to not be disturbed, reflecting on one's right to be let alone and personal autonomy.
Step-by-step explanation:
The phrase "Fine. Think what you want to think, but I'm busy so leave me alone about it" is an example of a person asserting their right to be let alone. This is an assertion of personal space and freedom from unwelcome social interaction or officials interfering with one's choices. A similar sentiment is expressed by the character Bartleby in Herman Melville's "Bartleby, the Scrivener", where he wishes to be left in his privacy without being 'mobbed'.
When someone declares their wish to be left alone, they are emphasizing their personal boundaries and autonomy. This is a fundamental social cue and is respected in various social and legal contexts, often relating to privacy rights.