I don't agree with this fully. The most extensive language reform movement in the last 100 years was by Ataturk in Turkey. I don't think it falls into the above category. I think it is due to some form of idealism, and there are such people at all points along the political spectrum.
Language reform ain't language control. Reforming a language can have negative impact, for sure, but it normally has a positive goal that lies in the language itself: Simplified orthography (latest German reform), reviving a dead language (Hebrew), or simplification of writing (simplified Chinese). And yes I see the irony that this last reform was issued by Mao.
In contrast, language control is about eliminating certain forbidden words, either hoping to eliminate certain facts or thoughts by litery making them unspeakable or by creating rules that every normal person will violate sooner or later, allowing it to denounce everyone when necessary.
