Hey Paul, there are a number of good instances which I federate with from my PeerTube instance at https://fedi.video.
I don't do signups myself but you might find some responsibly run instances through that site.
I don't know what their stances are on politics though, as there have been some problems with extremist conspiracy theorists etc, so some of them may steer clear of the whole area. You would have to look at it case by case.
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