Guardiola said it openly a few weeks ago - he was madly in love with Phillips in Bielsa’s system at Leeds but now that he works with him everyday has realised he was simply flattered by the system and not good enough to adapt.
It’s not exactly a secret that the club wanted him gone this summer, but when Guardiola openly tells the press that you were a system player, it’s telegraphed to all and sundry - let’s be honest most likely as a particularly unsubtle attempt to embarrass him into seeing sense and moving on.