I can't see how a question about mini-discs is off-topic here. So far as I am aware the main use people have for mini-discs is playing and recording music.

As for other stuff, there's a long history about that, and it's been argued up and down, and all those arguments are available via the search facilities on the Miudcat, and some of them are good reading. And the bottom line is, discussing politics or anything else here is as valid as in talking about politics in any other café. But it shouldn't get in the way oif the music, and most of the time it doesn't.