No better for cats than humans ...

I guess reformed "nuggets", buns, and food cooked in industrial seed oils didn't do this feline much good;

A cat who ate McDonald’s for a whole year has been rescued by an animal welfare organization.

Frankie, a New Zealand stray tom who was abandoned while still a kitten, was left to fend for himself for more than a year. For that entire period, he hung around a McDonald’s parking lot and begged for scraps. ...

... The stray would regularly plead for chicken nuggets and beef patties from drive-through customers.

But, when Frankie’s health started to show signs of deteriorating in recent weeks, SPCA field officer Jessica Watson stepped in. Jessica, who is caring for Frankie while she looks for a family to adopt him ...
Cat Who Ate McDonald’s For A Year Is Rescued