Well, being a defamatorily naughty boy is. Apparently the section isn't used very often.

the mischief ha to be defamatory or insulting, that is supposed a bit more. This part of the law rarely used, there are also very few court decisions interpreting it.

I do not know but I can tell you that making political speech in a Church mostly means that people will avoid that specific church and priest (maybe not in USA). Happened in NZ with our priest during Milosevic time...We ended up going to Greek church (there was no another one Serbian). So it goes kind of against them. People are not imbeciles (well most of them)and they do not come to church for political reasons (well most of them).

Science without religion is lame, religion without science is blind...Albert Einstein

No. With a clear background of political speech I can't imagine they would be found guilty. Or if they were, by a lowly Amtsgericht, this wouldn't survive the appeal.

I don't know about German legal tradition, but either in the preliminary legislative workings or in precedence their is an answer. Which is probably 'No'.

It is fun to twist legalese, but it has its own system to tackle the ambiguities of language. I don't think this text is that had to parse, if you do enough stuff to mock, humiliate or somesuch the church (synagogue, mosque, party HQ (see the last bit)) you are in, you can be found guilty.

Sweden's finest (and perhaps only) collaborative, leftist e-newspaper Synapze.se

No. They are using their own church, after all. This law protects from disruption/insult from outside.

They could be liable under the common libel laws, though.

There was a special law for this kind of situation once, though:

http://en.wikipedia.org/wiki/Pulpit_Law