PieFed can subscribe to peertube channels as if they were communities. https://piefed.social/f/peertube shows some of them.

There are a lot of instances that allow signups. Go to fediverse observer, filter by registration and country, order by active users and you'll get a decent list.

Or check one of these instances and request an account, just to name a few.

• tubefree.org
• peertube.wtf
• tilvids.com
• spectra.video

You can subscribe to a peertube channel with a Mastodon account if you want

Check out the pinned posts at !peertube@lemmy.wtf for an instance to register on and channels to follow.

I don't know if it's wrong and how much, but I've seen it likened to Imgur more than YouTube: a place from which you link your videos in other parts of the recovered, rather than a platform to browse videos fed by the algorithm. Sorry if I'm mistaken.

And Lemmy has about 1% of Reddits users but here we are.