Actually Vicente, I think it's you who misses the point. Just because it is a "common gesture" in Spain to "have fun with pretending" to be Chinese by pulling your eyes back, does not make the gesture acceptable or any less offensive to the people you are "pretending" to be. Perhaps instead of instructing journalists to get "background information" on Spain before criticizing its basketball team, you should focus your energy towards advising the Spanish basketball team to get some "background information" on how that gesture is viewed by the actual people(s) it pretends to be before proudly doing it in a popular Spanish newspaper.

Out of curiosity, what is the "popular gesture" that Spaniards use to "pretend" to be black? Blackface like was done for Lewis Hamilton? t's really not your place to say whether such an action is offensive or not. You should ask the people you are "pretending" to be.