Nobody takes seriously those gaming metrics. University rankings are based on how many researchers, you can get to pretend they are teaching at your University...based on the extortionate funds you get from students more interested in partying at their AlphaPis.
All this while said Researchers offload the real work the students are paying for... to TAs.
Notorious cronyism, nepotism, and outright corruption is the real deal. Not these losers from global top 100.