Too often I get from invidio.us "The media could not be loaded" (either network failed or format not supported). Good will put aside, I might switch back to youtube,
Or try invidio.us first and then click their youtube link..
@erAckYa always a catch up with YouTube as they change things, but the dev and all are on it. Daily conversation on #Matrix chat and trying to keep it working. In doubt, try to change the quality to make it work.
One of the first Mastodon instances, there is no specific topic we're into, just enjoy your time!