Ugh — but there are some good comments already:
Look, I don’t even like Yes or Deep Purple, but I also don’t understand what exactly Cat Stevens ever did to warrant induction.
Well, the Hall of Fame’s online bio does:
“Who can measure the courage it took him in the late ’70s, after seven years of multi-platinum success in the U.S. (and over a decade in the UK) to convert to Islam, amidst the wave of turmoil and confusion that was engulfing the world?”
I think “turmoil and confusion” is a polite liberal euphemism for “Muslim terrorists were hijacking planes, ruining the Olympics and killing tons of people back in the day,” but what do I know?