Because tech journalism is trash on the best days, and these android malapps articles only ever amount to blogspam to make you nervous. I don't think I've seen more than a handful of these articles that actually warns you about the actual apps instead of just talking about the problem without relevant specifics.
I think I may know a few of those. But not through play store. They usually scam someone by saying they got a packet on their way and their tracking number must be opened on an app that they send via messaging apps.