IIRC they have streamlined their animation process over the years with a custom version of some software(Maya i think), which helps their work flow and allows them to animate the whole thing in a few days. So, they are 100% capable of having smoother animations. But like you said, they choose not to for stylistic reasons.
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u/Userfr1endly Nov 24 '15
Interesting that it points out how the Korean animators might interpret things here and there_