They're certainly not endangered. They were "Least Concern" up until the last few years but have been reclassified as "Near Threatened" due to greenfield sites turned over to land development fragmenting their habitats. The most likely place a person will see them in 2025 is flattened on a road.

Domestic gardens make up an almost insignificant percentage of their natural habitat in any case, and any sort of HOA or Estate Management scenario would likely make it a violation to rewild a garden sufficient to create an amenable hedgehog habitat.

In short, its the responsibility of land utilised for agriculture - and this is recognised by measures around Europe such as the Eco-Scheme and ACRES (Agri-Climate Rural Environment Scheme) which indirectly support the re-establishment of hedgehog populations.

My dogs will eat them if they get hit. It's not a problem.

Hedgehogs ignore loud moving things going their direction ?

No, but they curl up into a ball to protect themselves. Since they're spiky, that seems to work reasonably well against animals. Less so against blades.