no`, your other left
to embed video
in the reply box bottom right, click post options drop down
copy clean vid url in embed box
get clean vid url from share button under your YT vid eg:
https://www.youtube.com/QfnY9_uTo20
not
https://youtu.be/QfnY9_uTo20?list=UUBz4vE0S8E1Osn_GiE2QGGQ
or
https://www.youtube.com/watch?v=QfnY9_uTo20