To be clear again, the tone is purely an obstacle for my enjoyment and ability to see the works as following a shared continuity. That and like, what I would consider inconsistent characterisation, though that exists to varying degrees in Homestuck proper. That's a different argument to canon, which is that same metric as dictated by the people who legally own Homestuck.

Forget I said anything about Jude or Joey. The bigger "clue" to me which suggests Hiveswap was never intended to be canon is Alternia. Not just in the sense that it only superficially resembles Alternian society as described in Homestuck, but also because the moons are very consistently depicted to be different than the ones in Universe A's Alternia. The green one being smaller in Hiveswap, vs. larger in Homestuck. Once you can brush off as a mistake, maybe try to make an argument about the position of the moons making them appear bigger or smaller. But when it's every time? Including supplemental material like Friendsim? They were clearly trying to signpost that this was a different Alternia, and at that point I would assume a different earth too.

I guess fandom doesnt like embeds but you get the picture