Why didn't Goku ever teach the other warriors Instant Transmission?

[904]

Vegeta learned that shyt in a snap and said he wont to bother to ever use it again

Small shyt to a Prince

 

[Cadillac]

i just chuck it up to the fact that the Z-Fighters are all competitive Martial artist. Last I checked none of them taught each other techniques or put them on game

it was always them just copying each others moves never them teaching each other.