Nah people literally abandon houses.
Especially cats that are on drugs/warrants. They'll leave fully furnished houses at the drop of a hat and depending on if/how the get evicted, they'll leave everything behind and go start somewhere else new.
That was my second high school job. I worked for an apartment company that manages complexes all over the city and we were the ones to go in and clean shyt out.
That was my job just to remove items. Not rip up carpet, paint, drywall, clean (scrub,vacuum, wash). Just remove items.
People leave shyt behind, some people cant afford a Uhaul. Tv's, beds, cribs, toys, stereos, clothes, workout equipment,tools, computers.
We never ever came in like a day or 2 after, it was always 30 days or so. Even then there were places that it look like someone might have just gone to work that morning.
Happens often when people die and have no next of kin.