Frankly, I'd rather have tougher, more resistant bees.
Monocultures aren't that great an idea, but they're unfortunately common. A big almond orchard wouldn't provide year-round food for the amount of honey bees required to pollinate it. Better to have mobile hives that can be taken where the bees can forage, and pollinate the crops.
Yes, that's tough on bees. But its less disruptive to breed better bees than to rework all the orchards to provide year-round food for stationary hives.