Here are a couple tips to improve the usability of peertube.
Use sepiasearch when finding new peertube instances and videos. Some browsers such as firefox allows you to create a shortcut for searching
Subscribe to channels through your most used fediverse account. Then it will pop up in your feed and it’s easier to comment on videos.
Weird, i omitted the first @, but I still get:
“Error Cannot fetch information of this remote account”
deleted by creator
Hm, have you tried from another peertube instance?
If that doesn’t work, have you tried subscribing from mastodon instead? I wrote instructions in an earlier reply.