Earlier quoted context omitted.
FYI, PRNewswire is one of the oldest, respected, and expensive newswire services around. Businesswire is also very well established. Not sure how those seem “suspicious”.
Not sure if that was meant to be sarcastic. They have a pretty clear history of accepting garbage for money. https://www.seroundtable.com/google-panda-pr-newswire-change...
The point is that using PRNewswire or Businesswire is hardly “suspicious,” because most businesses that do press releases use one or the other.