Yes, my sister’s home in Israel was recently burgled, despite the presence of a noisy dog. The burglars did or gave something to the dog that rendered him unable to effectively do his watchdogging duty. They did this to several homes with dogs throughout the neighborhood, dogs that normally were effective guard dogs.
A600KiloBear wrote: A 600 kilo bear is what you need as a guard animal nowadays. Criminals have become brazen enough to steal dogs nowadays. Go for the white furred polar variety because the others sleep all winter. “
Upkeep is extremely expensive; they can eat you out of house and home.