There are
psychosocial things to consider as well. Japanese people are stereotypically timid, so having a 'cutesy', accommodating, non-threatening character might naturally appeal to them. People in other cultures, particularly males, are more likely to prefer a 'badass' character that they can look up to and admire (or at least believe can take on an alien army) without feeling threatened by them. If they only had a choice between one or the other.