Frankfurt famously argues that because it ignores the authority of the truth entirely, whereas a liar at least acknowledges that facts matter by trying to hide them. Useful Resources and Analysis

Is concerned with the truth. To tell a lie, one must first know what the truth is in order to deliberately subvert it.

The primary work on this topic is the seminal essay by moral philosopher Harry G. Frankfurt , originally published in 1986 and later as a standalone book in 2005. The Core Thesis: Bullshit vs. Lying

If you are looking for deep dives or critical academic looks into his theory, these papers and resources provide excellent context: On Bullshit

Frankfurt’s most influential contribution is the philosophical distinction between a liar and a "bullshitter":

Is indifferent to the truth . Their goal is not to report facts or even to conceal them, but to produce a specific impression of themselves or to persuade their audience, regardless of whether the information they use is true or false.