We don't care which node you run, you can even run a Bitcoin SV node for all we care. Skin in the game is not running some software on your VPS.

You don't NEED to do anything, but consensus game theory is ultimately economic in nature. Knotzis won't be able to push miners into doing their bidding unless they have sufficient economic power to reject blocks of which they disapprove and thus ensure that the miners can't realize revenue. Your non-economic nodes can reject all the blocks you want and miners won't care at all. The fact that Knotzis have zero economic conviction tells me everything I need to know about how this fork is going to go.