[[WMG:No special effects were used at all in their videos.]]
What? This is WMG, after all. I ''do'' have a small theory on just [[SpecialEffectsFailure how this is possible]]...

Which is...
[[WMG:These guys live in an AlternateUniverse or a PocketDimension where tropes (like DeathIsASlapOnTheWrist and RuleOfFunny) all apply.]]
Most likely the Internet.

[[WMG: They have run out of ideas.]]
Either that or they are bored with it.
** So far, NO, NOT CONFIRMED.