Why do most animations have 4 fingers not 5?

[Benjamin]

https://estaticos-cdn.prensaiberica.es/clip/885c9147-8b6a-4bc9-8937-aa27780bfabd_alta-libre-aspect-ratio_default_0.jpg

https://www.refinery29.com/images/8508300.jpg?format=webp&width=720&height=864&quality=85

[Niamh.]

So you know they're not real

[Crimson Dynamo]

https://i.etsystatic.com/28540818/r/il/f60a02/3374373925/il_fullxfull.3374373925_1c0b.jpg

[Crimson Dynamo]

https://s.yimg.com/ny/api/res/1.2/0JRHAEuBCyZeQ8FDgq9RQg--/YXBwaWQ9aGlnaGxhbmRlcjt3PTY0MDtoPTM2MA--/https://media.zenfs.com/en/comingsoon_net_477/a96a6f5c6bf4170f211ad3736421eb74

[Crimson Dynamo]

“Everybody shortens it to three fingers and a thumb... just simply for an economy of line.
When you're having to animate 24 drawings per second, dropping one finger makes a
huge difference,"

[GoldHeart]

Lazy graphic cartoonists , couldn't be bothered to draw an extra finger .

[Benjamin]

“Everybody shortens it to three fingers and a thumb... just simply for an economy of line.
When you're having to animate 24 drawings per second, dropping one finger makes a
huge difference,"

Well there you go.

[Beso]

“Everybody shortens it to three fingers and a thumb... just simply for an economy of line.
When you're having to animate 24 drawings per second, dropping one finger makes a
huge difference,"

Nah, its thickness issues..5 fingers would have to be a evil looking skinny hand.