WWJD - What Would Jesus Do?

WWJD (What Would Jesus Do?) has always been mocked by Reformed Christians (that I've seen anyway).

Personally I've never found anything wrong with it. We are to emulate Jesus. And what Jesus experienced we will experience. To imagine how Jesus would act or speak or think in any given situation and emulating it seems like a very practical and biblical exercise to me.

So I was somewhat surprised to find this passage in a Reformed book. Joel Beeke, though, is somewhat of an outsider among Reformed types. (He advocates using the King James Version for one thing.) He wrote this:

"John Calvin taught that you should set Christ before you as the mirror of sanctification and seek grace to mirror Him. Ask in each situation you encounter, 'What would Christ think, say, or do?' Then trust Him for holiness. He will not disappoint you (James 1:2-7)." - Joel Beeke, Living for God's Glory: An Introduction to Calvinism, chp. 15