Although he advocated that central banks and governments should collude to create credit during economic down-turns, as the economy recovered, they were then meant to destroy that created credit to avoid big inflation and asset bubbles.
His fan club chose to forget about the last part.
This is why we call these twats 'Neo-Keynesians', they hijacked the Keynesian beliefs the same way these people hijacked the conservative movement a friend of mine pointed this out to me as well, a lot of the Keynesians nowadays don't actually follow the Keynesian economic theory at all.