The problem with a decentralized video platform as compared to forum/microblogging (lemmy, mastodon) is that it takes a ton more resources to host videos. While anyone can host a lemmy or mastodon instance in their bedroom, hosting videos requires more bandwidth and storage that costs money. Sure there will eventually be bigger instances that will emerge that are professionally maintained, but they will still rely on donations and the instance admin’s own time and effort to do so. I would love for this to happen and actually make a dent on youtube’s monopoly, but it’s not as easy as it looks.