It's not easy enough to explore other instances and their communities, I feel. I love that we can get a list of mags on kbin.social, but I'd like to see and search communities on our whole federation. Like, if there's already an instance that has a community for, idk (first random thing on my desk) gummy bears, I don't want to make another. Awkward case sensitivity makes searching harder than it should be (gummybears? Gummybears? GummyBears?), and I'm often not aware there's a community I want to follow until it shows up in the random posts list in the sidebar.
But I'm optimistic this will improve with time. "Very early beta" after all!