most errors i see with jumpstyle are just attention to form. when youre newer to the dance you tend to be looser with your moves and that doesnt really seem like an issue if you just wanna have fun idk
like at least with alt its a misunderstanding of the past. meanwhile someone implements jumpstyle dance into a routine and everyones like NEWGEN THATS NOT JUMPSTYLE@)@(!)&(! like what