Of course, it's not an exact science, but enough people voted to make it a significant cross-section of people.
The four films selected for the poll currently occupy the top four spots on one of the internet's biggest film sites, so it's not completely without merit.
Putting to one side the fact that no conversation about the greatest film of all time is complete without discussion of Muppet Treasure Island, the selections do hold up to some scrutiny.
The Shawshank Redemption held off some stiff competition from Christopher Nolan's classic superhero flick The Dark Knight - starring Christian Bale and Heath Ledger - as well as mobster masterpieces The Godfather and The Godfather Part II.
Nearly half of people - well, 47.4 percent - voted for Frank Darabont's 1994 prison drama, with The Dark Knight taking second place with 33.9 percent of the vote.
The first Godfather film finished third with 11.2 percent and the sequel garnered 7.4 percent of the total votes.
The Shawshank Redemption stars Tim Robbins and Morgan Freeman as two prisoners who strike up a friendship whilst spending time on the inside.
Obviously, there's a lot more going on than that - let's talk about pipes and posters, shall we? - but it's too long to be getting into in this short article.
Based on a novella by Stephen King, it was critically acclaimed upon release, but bizarrely won no Academy Awards, despite being nominated in seven categories.
They'll just have to satisfy themselves with the equally prestigious recognition of being voted the best film of all time by LADbible readers.
As for the other films in the running, they were chosen because of their high-rating on film encyclopedia website IMDb.
Currently, Christopher Nolan's second Batman film holds a rating of 9.0 on the website, as does The Godfather Part II.
The Godfather starring Marlon Brando, Al Pacino, and James Caan - among others - has a rating of 9.1, whereas The Shawshank Redemption rates at 9.2.
All of the films in the running were stone cold classics, but when everything is eventually boiled down, The Shawshank Redemption has it all.
Well, apart from Kermit the Frog and Tim Curry, anyway.Featured Image Credit: Columbia Pictures