AdNauseam is a tool designed to combat online advertising by clicking ads without the user's engagement, essentially obfuscating user data. Users express concerns about potential repercussions such as being flagged for bot-like behavior, which could lead to increased captchas. There's also a discussion around the preference for high-value targeted ads versus a barrage of low-value ones, acknowledging the common expectation for free content funded by advertising. The discussion highlights a paradox: while users detest tracking, many seek improved ad relevance and experiences, challenging conventional ad-supported models.