YouTube Shorts Killing Long Videos?

I'd keep posting both, just make the shorts related to your long videos so the audience overlaps more. yes, i also noticed this too shorts can pull in toms of viewers don't always watch longer content.

Yes, short-view audiences prefer quick videos that summarize the main points, so they don't click on long videos. I think we should separate the two channels or use short videos as a funnel to directly lead to longer videos.

Not in your head at all. Shorts bring in cheap, low-attention subscribers who will NEVER click a 10 minute video. When you drop a long video, YouTube tests it on your new Shorts subs first. They ignore it, your CTR and initial watch time tank, and the algorithm assumes the video is trash and stops pushing it. Separate your channels or stop posting Shorts on your main.