I remember reading an article in which Costello was evidently offended by some of the comedians being jerks - Bill Murray figures in - but reading this https://

I remember reading an article in which Costello was evidently offended by some of the comedians being jerks - Bill Murray figures in - but reading this https://www.billboard.com/music/rock/elvis-costello-recalls-snl-performance-stunt-apple-music-interview-9516023/ https://www.billboard.com/music/rock/elvis-costello-recalls-... it seems more like 'protesting corporate control' as you wrote.