Posting a video on social media, on one social media channel, let's say Facebook.

That's one signal to Google about your expertise and authority.

If you post it on Instagram and Twitter as well, then there's three signals to Google about your expertise and authority.

If you post it to seven social media channels, there's seven signals to Google about your expertise and authority.

If you extract the audio and post that to six or seven podcast channels, there's another six or seven signals to Google about your expertise and authority.

Extract the text and post that to a few blog channels, and there's in the order of fifteen signals to Google, about your expertise and authority.