This feature is awesome with so much potential once semantic search is a thing in Tana.
But unfortunately, it triggers many search nodes on zooming on a node, so performance suffers and my old PC crawls. I know you probably are always working towards making a snappier Tana, but also think in the short term, maybe there are simple things like allowing related content to show up collapsed by default (like mentioned by @江sir爱数码 above) or returning only the first results with a "load more" option...
I'm not sure about this but it seems like the Related Content searches are even "more alive" than other searches, like if they update more frequently and are constantly sucking up CPU resources... is that a fact/issue?