Writing is basically a giant circle of half-finished writing and ideas that you want to write, but have to wait until you finish that other idea first. And while you’re writing that, your brain is throwing at least like 3-5 new ideas at you.
I think the biggest problem about the Cursed Child cast, isn’t that Hermione is black or something else. It’s just that we all imagine the characters who the actors look like. It’s just a little bit weird. Hermione will always be Emma for us.