You assume I supported Chiang Kai-shek, then? You assume too much.
Keep in mind that this is what Chiang Kai-shek and his KMT did in Taiwan as well.
Goujian - Yes, almost every state has this policy. It's genocidal.
Could you elaborate what is their ideology in relation with mandarin promotion? If so, doesn't every state has some policy? Think about the first emperor, what is his ideology? Also don't forget that most CCP high ranking officials are from dialect speaking areas, and they don't speak good mandarin.
By then, it might be too late.
My guess is that when China becomes a rich country, it will "rediscover" its linguistic variety and people will regain interest in its local heritage. But until then, economical and political conveniency is going to press Putonghua.