Merely describing it as "stuff we don't like" is either inaccurate or reductionist, in the same way murder could be described as "actions we don't like", or a threatening letter is "some scribbles we don't like", or child pornography is "some movies we don't like".
The German law may be vague (I don't know), but the bar seems to be higher than "stuff we don't like".
Whether it should be censored is a good question, but it does nobody any good to be reductionist about the content of the speech.