What common mistake regarding small breeds can unintentionally set a higher barking threshold for a Doxiepoo?

Answer

Owners unintentionally permitting more barking because the bark is less startling

Owners may inadvertently allow a higher threshold of barking from a small dog because the noise is less startling than that of a much larger breed, which makes curbing the behavior harder later on.

What common mistake regarding small breeds can unintentionally set a higher barking threshold for a Doxiepoo?
animalDogbarkbreedDoxiepoo