Me bajé el binario de yt-dlp con night builds del repo de GitHub y no podía descargar el video a través de Tor, así que instalé yt-dlp desde el repo oficial de Arch.
$ torsocks yt-dlp -F "https://www.youtube.com/embed/ID"
Error relocating /usr/lib/torsocks/libtorsocks.so: __snprintf_chk: symbol not found
Error relocating /usr/lib/torsocks/libtorsocks.so: __fdelt_chk: symbol not found
Error relocating /usr/lib/torsocks/libtorsocks.so: __memcpy_chk: symbol not found
Error relocating /usr/lib/torsocks/libtorsocks.so: __vsnprintf_chk: symbol not found
Error relocating /usr/lib/torsocks/libtorsocks.so: __fprintf_chk: symbol not found
$ sudo rm -rf /usr/bin/yt-dlp
$ sudo pacman -Syu yt-dlp
$ torsocks yt-dlp -F "https://www.youtube.com/embed/ID" ### Funcionó