Earlier quoted context omitted.
YouTube is very friendly towards the RSS readers from my experience.
... iff you can find the Feed URL. It always boils down to pasting together URL parts and the channel ID, which isn't exactly friendly.
https://www.youtube.com/feeds/videos.xml?user=
https://www.youtube.com/feeds/videos.xml?playlist_id=
https://www.youtube.com/feeds/videos.xml?channel_id=
I wonder if there are more?