Most of not all of the new Nostriches in instructions are Damus users. This is because Damus encourages you to make your first note with that hashtag.
Imagine all of the others that are alone, cold, ...
People used to use hashtags all the time until the algo made it redundant (on the main net). It was like relearning things I knew to do all over again and that’s a good thing. I’m proud to say Damus is my phone app of choice after playing with most of them.