There can’t be a universal best solution to state management. Sometimes your requirements are so simple that using a library is overkill and basic JS is fine. Sometimes your requirements are so complicated that well-known libraries like Redux and MobX aren’t enough, and if you’re going to implement something more comprehensive anyway then the extra dependency might not be helpful. In between, there is a scale where different strategies might work best. A site that helps less experienced developers to figure out where their needs fall on the spectrum and which strategies might work well for them seems like a helpful idea.