"it's theft of content too."
False, permission has been fully granted by the creators. Those are Youtube embeds that the creators have full control over. If you look at what is actually being posted to the blockchain you'll see that they are literally just URLs.
Let us see your written permission for use of copyright.
"This reasoning, however, is problematic. It is problematic because now the embedded video is appearing right on your online article or website. This is similar to embedding a picture or image that belongs to someone else."
"In the case of a picture or image, you must first get permission from the owner of the image, unless the image is public domain. You should also attribute all images back to their original site (i.e. site you got the image from) and content creator/owner."
LOL there is a 'Share' button below the video providing me a link to use. It's encouraged.