The ability to embed a video from bitchute is one of the things that must be corrected. Reading your post, i did a some search and found an older steemit post, about 3 months ago, that was talking for the same problem. You can read the full post here that is very detailed for the issue.

https://steemit.com/steemit/@ackza/how-can-we-add-bitchute-video-embed-link-integration-into-steemit-we-need-to-use-bitchute-s-p2p-vbit-torrent-powered