Clearly those of the general public who vote for him don't think there is a problem! The judges disliking it does not mean that there is a problem with it in terms of whether it works to win them the show or get them to the final.
In my opinion there is no problem except her occasional disregard for the rules, which, let's not forget, she's not the only person guilty of. They're all good at different things, she's good at being modern and innovative. Not all the pros can be a Natalie at ballroom or a Matt Cutler at Latin (i.e. outstanding), so they have do the best they can with the skills that they have, and Aliona uses her background from training in the States to create routines that please the people who vote for them, which in this series' voting system is the most important thing.