This nearly 2-hour video is one of the greatest Disneyland investigations ever - SFGate

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Get ready for all your Disney line questions to be answered.
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If you've been to a Disney park anywhere in the world, you have formed some kind of opinion about the lines: They're too long, they're manageable if you know how to navigate them, they're worth it for the best rides, etc.

There's a decent chance, if you're reading this, that you've tried FastPass, Disney's sunseted line-jumping program. Now replaced by Genie Plus, it was once a free option for people to essentially get a rain check for a ride; you'd receive a paper ticket letting you know when to return for your turn on the attraction, allowing you to go straight into an expedited line. Some people adored the system — the ultimate "hack" for your Disneyland day — while others abhorred it.

One of the most heated debates in Disney Parks-dom is the impact of line-skipping on overall wait times. Many detractors say FastPass (or its current version, Genie Plus) created longer overall lines, as thousands of guests get stalled in the regular line as returning FastPass holders are allowed to cut ahead of them. Line-skippers, however, argue all wait times decrease when there is an option to return later in the day, rather than tough out a long queue with everyone else.

ALSO READ: Planning a Disneyland trip is more complicated than it's ever been

The debate, however, may have its definitive answer courtesy of Kevin Perjurer, creator of the brilliant YouTube channel Defunctland. In whip-smart detail, Perjurer goes through the history of Disney's many attempts at crowd control, from the early days of switchbacks (Disney liked how they created human interactions by putting people face to face) to modern indoor lines, which prevent people from gauging how long the wait really is.

The most impressive bit of investigation comes via an exhaustive, elaborate simulation of theme park crowd behavior. We won't spoil Perjurer's conclusions here, but they're incredibly illuminating for any Disneyland fan (or even just someone fascinated by how changes, big and small, can impact queuing).

"This one took everything I had," Perjurer tweeted. "Not to be dramatic, but I really pushed myself artistically to create this. I hope it paid off."

Any Disney fan will agree: It absolutely did.