• This Metallica backlash is Karma for their cow-towing.
kowtow |ˈkouˈtou|verb [ intrans. ] historical
kneel and touch the ground with the forehead in worship or submission as part of Chinese custom.
• figurative act in an excessively subservient manner : she didn't have to kowtow to a boss.
noun historical
an act of kneeling and touching the ground with the forehead in such a way.