The Launch Pad @TLPN_Official 2:27 PM · Sep 3, 2023:

SpaceX will now be exclusively broadcasting on X

All upcoming live streams on other platforms have been removed and the SpaceX website has been update to only show X.

I did a search for "YouTube" site:spacex.com on Google. There were hits but the ones I checked were only because of Google's cached copies; the pages themselves no longer have references to YouTube (or LinkedIn or other platforms).

There are many old videos on YouTube. I don't know where to look on YouTube to see upcoming streams, and don't have an inventory of videos, so I can't check them.