Activity is one of the criteria I look at but not the only criteria. Activity is necessary but not sufficient IMO. Definitely top 5. (But I’m just one voice. Other ppl might have different criteria)
I posted a bit more on the criteria I look at on in this post from last week:
I dont have a super formalized list of criteria mapped out. Which is why I think maybe sounding it out on a product-design call might be fruitful.