That's ridiculous. Blogspot is owned by Google. While it is popular - Google won't say how many blogs are on it but some guesses go to 50,000,000 or more (http://pulsed.blogspot.com/2009/06/how-many-blogspot-blogs.html) that doesn't make in illegitimate, any more than Facebook is because it has a lot of members.
It's sensorship, plain and simple.
Oh say it ain’t SO!!!! *FACEBOOK* CENSORING political content?
NOOOOOOOOOO!!!! They’re worth BILLIONS, TRILLIONS!!! ;)