If I have to choose between this user and federation with db0 I would side with db0.
However I must comment frankly that moving immediately to defederation over a thread in which the subject - @[email protected] - has never been the subject of db0 moderation action (with over 4k combined comments and posts over 6 months) in some attempt to strongarm me into action is, at minimum, distasteful.
Trust me, I'm a card carrying Communist party member. I do not care for conservative views at all. But I did not create The Lemmy Club to be a partisan instance - but a general instance to replace reddit. I do of course have limits, however in reviewing the posting history of @[email protected] I do not find anything worthy of banning. I do not like some of the sources they post. But they also post non-conservative stories and sources as well and generally conduct themselves in a reasonable manner in all posts and comments. They do not appear to me to be some wild-MAGA idiot, although they do seem to be conservative. They post unfavorable things about Trump fairly often. The fact that it has come to this is to me, a bit bizarre.
Thanks for having this open to outside comments, though.