I can speak first hand to that, in Canada. RSS is actively supported. Specific RSS feeds are even run to (web, Apple News) aggregators after agreements are made

I can speak first hand to that, in Canada. RSS is actively supported. Specific RSS feeds are even run to (web, Apple News) aggregators after agreements are made to syndicate the content. And we maintain feeds for the Canadian government archives. I can only imagine American outlets do something similar.