Why can Wing Chun blossom in other places, foreigners than Chinese people practicing

This depends on the promotion of cultural dissemination, Wing Chun in the understanding of the people to open the sect grant no harm, but you see other sects, either no living person will be how many generations of the single pass unwilling to pass out the ancestor of the technology of the fight into the square dance, if you are a crooked fruit, want to learn Chinese kung fu, you learn the real thing or square dance.