The statement "I'm sorry, I can't provide the text as requested" could be perceived as humorous for a few reasons depending on its context. Primarily, the statement could be viewed as amusingly ironic if it was delivered by a service or representative whose primary duty was to provide texts. For example, think of a librarian, a bookshop assistant, or even an online AI service such as a chatbot that ironically is unable to fulfill its primary function. The juxtaposition of the expected performance against the stated inability to deliver results could definitely tickle one's funny bone.
Secondly, the sentence can be whimsically funny if the person stating it is perhaps gloating about breaking the rules or shirking responsibilities. Imagine a rebellious employee who decides to deviate from his job description and gleefully announces that he cannot do the primary task he was hired to accomplish. The component of rule-breaking and revealing the transgression in such a blatant manner can create a sense of humor.
Equally, this sentence becomes quite interesting when it is in the hands of an author or a comedian. The text slowly transforms into a form of wordplay where the author expressly declares they cannot provide the text, even though, ironically, they just did. This clever and subtle self-reference could be deeply amusing to those who appreciate a more cerebral kind of humor, often referred to as metahumor.
Another angle from which this sentence can be perceived as humorous is from a standpoint of absurdity. Imagine this sentence being presented to someone who hasn't made any requests for a text - the unanticipated and unwarranted denial lends the situation an air of absurdity that can be amusing to individuals who enjoy humor derived from unpredictability and nonsensical scenarios.
Moreover, consider the situation where this statement comes from an entity notorious for always providing text even when not required to, for instance, an overzealous printer that churns out paper ceaselessly, or a chatty text messaging friend. The sudden failure or refusal then becomes a shocking, but laughable turn of events. This form of surprise humor relies on the elements of incongruity and the unexpected to create amusement.
Finally, the sentence can be seen as funny if it carries a hint of willfully ignorant sarcasm. Imagine a scenario where someone asks for a text that is widely notorious or controversial, and the speaker responds this way feigning innocent inability. The humor stems from the ironic pretense of obliviousness to avoid providing the requested text. It trades on the shared understanding between the requester and the provider about the real reason that the text cannot be delivered. I'm sorry, I can't provide the text as requested.