Did Ethan Klein kill his dog?

Background

Ethan and Hila had a small Yorkie named Shredder.
Veterinarians were unable to identify the underlying cause, leaving Ethan confused and searching for answers.
In one clip, he expressed regret that he sometimes sprinkled cheese on Shredder’s food.
Shredder died of chronic kidney failure at 6 years old.

Ethan is an irresponsible dog owner who killed Shredder by feeding him too much cheese.

Cheese is non-toxic to dogs, and even in large quantities is not known to cause kidney damage.^[1]^[2]
Ethan only added very small sprinkles of cheese on top of Shredder's regular dog food,^[3] specifically to help him eat because he was a picky eater, under his vet's instruction:

Dan: "Which the vet recommended to you guys, as a way to get him to eat."^[4]
Shredder was regularly examined by veterinarians, and Ethan brought up concerns repeatedly. These concerns were often dismissed or attributed to common small-breed issues.^[5]
Chronic kidney disease in small and toy breeds, especially Yorkies, is most often genetic or congenital,^[6] which was the vet's theory.^[7] This aligns, given that typically it goes undetected until late stages.^[8]
Ethan's other dog, was also tested and presented no issues despite having a similar diet.^[9]
After diagnosis, Ethan and Hila pursued second and third opinions, specialist consultations, medications, fluids, diet changes, and every available treatment option.^[10]
More details in this video.

The "cheese clip" was Ethan's emotional attempt to understand a sudden, heartbreaking diagnosis, not evidence of wrongdoing. Shredder almost certanly died of an unfortunate genetic inevitability.