I have been pondering this topic for awhile now, and I just can't seem to wrap my head around it. I hope it doesn't turn into a long winded post, so I'll try to make it as short as possible and to the point.
What I have noticed among my peers here on the forum, and many other Dragonball fans across the world is about how certain styles need to be "corrected". I am not talking about Last House's art being 'fixed' whereby the proportions are corrected; instead, I am talking about how a certain 'style' of artwork is considered 'too old' and not 'up to date'. Thus, in the past, such as with the author of Dragonball Multiverse, fans and official artwork has gone back to "correct" the style of the work that was done in the manga or in the anime to fit the current look (Yamamuro's work specifically). I've seen artwork where artists have taken frames from the manga or anime and change the proportions to fit Yamauro's style, and only his style, making it seem like that is the only way the characters should look. Yes, people want a remake of the anime, but by doing so, they want to ignore the manga material of what the characters looked like in specific time periods of production, to go for Yamamuro's style. As such, I've seen artwork that has changed the ear size, the muscle definition, the way the noses look, and 'corrected' pupil size so it looks like it comes from the Buu arc or Dragonball Super.
Why do people think that the old artwork looks "incorrect" or "unofficial"? Hell, Toei even seems to agree where Chala's opening was redone to fit the current style instead of the old style (the 2008 special is what I am referring to). They have even changed all the movie artwork to sweep the old style and artists under the rug and deem it not Dragonball looking enough! To me, this is injustice to the artists of the past, and I have a bias against the new style. I love the old look, yet, while the anime and manga has it, if they ever remake it (like HunterxHunter) newer fans will never know of the older version, and consider it bad just because it looks like the manga did at the time and that it looks "old".

These are examples of Toei hiding the style of old by getting rid of it in or on official products. This is also a trend with fanartist, to not duplicate the manga, but to duplicate Yamamuro!



















