Hmm. 
FWIW They seem to be working fine for me. I added https://www.bitchute.com/ to allowed frames and copied an embed link from a random video on the site and it successfully displayed in a post.
Hmm. FWIW They seem to be working fine for me. I added https://www.bitchute.com/ to allowed frames and copied an embed link from a random video on the site and it successfully displayed in a post.