Play media on KODI from https://invidio.us. Invidious is an alternative front-end to YouTube. No need to enter API keys nor a Google account.
While you could install the plugin through the KODI graphical user interface, it may be quicker to ssh into the box and do:
cd /storage/.kodi/addons/
wget -c https://github.com/probonopd/plugin.video.invidious/archive/master.zip -O plugin.video.invidious.zip
unzip plugin.video.invidious.zip
mv plugin.video.invidious-master plugin.video.invidious
killall kodi.bin
Pull requests are welcome. This is really easy Python code, after all.