Oh, they will. It's just a matter of time.
They want to go back to early cata healing, but even in 4.1 and 4.2 we were much more mobile than we're in WoD beta (fínishers were instant and we had 2 short movement CDs (HR + Divine Protection through old Speed of Light talent)). And even in this timeframe holy paladins were considered quite immobile in comparison to druids.