I would suggest that any scraping should either also link back or post a comment linking to the new community, ideally we attract as opposed to just copy
Feedly has been a decent RSS service for me. While not self hosted it has been worlds better that TTRSS. That said, it has been roughly a decade since I assessed the space so I am open to alternatives.
I would suggest that any scraping should either also link back or post a comment linking to the new community, ideally we attract as opposed to just copy