From personal experience, Hydrox tasted terrible compared to Oreos. My parents switched to Hydrox when I was little because Oreos were being made with lard at the time, and they were barely worth eating. The chocolate cookie part was too hard and chalky.
The most sticky subreddits have been ones that are niche and not tech-related. The most likely users to make their way over to Lemmy have been technically inclined ones who were using third-party apps.
If you use protobuf/gRPC anywhere in your application, text format protobuf. Writes like JSON, but with a clear schema, a parser that already exists in most languages, and has comments.
The Last Word is my favorite, but I rarely have the ingredients on hand. The Bees Knees is a more common go-to.