As long as your punch hit, technique don't matter, flashy technique create more waste movement. Iirc Whis in-verse did said something about the need to eliminate waste movement, and when Goki first turn UIS, many claimed his movements are more accurate
About battle cheography, it is depend on animators who animate the fight, there are some fight with detailed martial art movement cheography back in Z, especially the SSJ2 Goku vs SSJ2 Majin Vegeta, its majority was animated by Tadayoshi Yamamuro who created the famous "Z artsyle" that people nowadays keep mentioning about to shame on DBS, despite DBS was animated by the same guy and same team lol. Yamamuro background stated he learned martial arts at Shaolin Temple, which he incorporated into his animating style when he became animator. So it is mostly depend on if the animator who in charge of fighting scence have skill to incorporate martial art cheography in or not, like there is a Naruto animator who stated he like Wing Chun so many of his fighting scene in Naruto have characters using Wing Chun move. In DBZ Resurrection of F movie, the starting section of Whis training battle with Goku and Vegeta literally have Whis perform Wing Chun stance and perform Wing Chun move, i fact due to Toei decision of promoting Yamamuro into the film director position, many martial art moves was used in the movie, like the Bruce Lee's one inch punch which SSB Goku used on Golden Frieza
So overall i'm not keen on using purely visual to debate who is skilled in fighting technique or not because it is entirely depend on animators feel like they want to incorporate fighting moves into the scene or not as every anime always have team consist of many animators working on the anime, thus we always have a situation where in a scene a character demonstrate excellent moves then two or three scene later the same character perform amateurish, simplistic movements due to a different animator took over and is in charge of that specific scene
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