Just how do all of your reasons above impact that decision? They do not. It is societal impacts dictating whom that advertising company believe their market would like to see in order to find attractive (and by proxy, who they do not wish to see).
Additionally, when news actively seeks a representation of masculinity, they constantly. Constantly check out fundamentally any race besides asian.
Yet, if they would like a fat sidekick, or even a gag laugh, or wish to convey a feeling of harmlessness and “everydayness”, that do they phone? Some east asian dude.
2. Asian guys are generally seen as both actually inept, and inept in capacity to lead and/or other attributes of masculinity. Bing “2016 study that is harvard males in leadership”.