Humans also face severe treats and are not doing well but are not going extinct tomorrow. Honeybees seems to only decline in North America, especially the USA, but as you said it’s human intervention that keeps their population booming years after years. Perhaps a decline wouldn’t be so problematic it doesn’t go to extinction? A decline in chickens population wouldn’t lead to extinction, to elaborate on the funny authors take:

> Promoting honeybee hives to save pollinators is roughly the equivalent to building more chicken farms to save bird biodiversity

The other problems you raise are important but are also a treat to others bee species and insects.

https://earth.org/data_visualization/bees-are-not-declining-...