Despite its robust Rotten Tomatoes rating, The Usual Suspects has its vocal detractors. No less than Ebert famously panned it upon its release. But if loving that final reveal makes me a gullible idiot then I guess I'll have the quart of snake oil, the used Yugo, and the extended warranty.
Further reading on the subject:
Point - 'The Usual Suspects' Is a Gimmicky Movie Stupid People Think Is Smart by Rick Paulas
Counterpoint - ‘The Usual Suspects’ at 20: Why The Ending Still Holds Up by Matt Goldberg