What's the plus side of annotations for entity description in Doctrine2?

In Doctrine1 & Propel (which I've used many times), reverse-engineering a database to create yml or xml, then generating the model is a very quick workflow.

In Doctrine2, choosing annotations, one must write a large amount of boiler plate code just to get the entities in place..; yet annotations seem to be the 'way to go'.

What am I missing?

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