Some of the local population isn't happy with all the growth and being a hub for drinking. Healdsburg has mostly focused on the number and size of hotels, not on tasting rooms. But if you've ever been in Healdsburg on a big wine event weekend it takes on the look of a mini Mardi Gras.
Sonoma has an organized coalition called Preserving Sonoma that is essentially battling with local businesses. It's almost too little too late for both towns as there really isn't much in their town centers for the locals except maybe a chance to use all the great eateries on weekdays when they're not filled up.
Article on the latest in the town of Sonoma, "Too Many Tasting Rooms?"