Headache said:
I must respectfully disagree. I'm order to keep felines at top condition it's very important to mimic nature as much as possible. Cats are also much more susceptible(especially males) to chronic kidney disease and delaying voiding urination could be disastrous.
Cats are nothing close to dogs. Cats are obligate carnivores while dogs are mostly carnivore making them entirely different from what they can eat to how they digest. Please do not give generalized advice like this.
I strongly agree and am confident vets will back you up on this.
Cats very commonly have urinary problems from a multitude of sources, including tiny urethras and incredible susceptibility to having even miniscule amounts of ash (you'd never see it in cooked food at that level) effectively narrow their urethras even more. It goes well beyond that, and it's worth reading up on what a big deal it is for cats. Extremely unlike dogs in multiple ways.
Lack of opportunity or willingness to pee can make it worse, and can train them to make it worse by, well ... not peeing enough ... which is already the problem ... you see how that vicious circle reinforces itself.
I'm really not trying to argue here and don't want to offend, but it's legitimately important to say the above.
By the way, cats' problems with peeing can be initiated by having less than pristine litter boxes. By all means, everyone, keep them scrupulously clean. Humans don't have the sense of smell that cats do by far, and a human half a dozen feet away from a litter box isn't getting nearly the intense blast of odor as does a hypersensitive cat who is trudging around in his litter at ground level. Even if the top is clean, the problem is often the bottom, where the pee goes that didn't have a chance to get soaked up earlier. Some people think they are cleaning their cat litter by scooping out the top, but that doesn't work for very long. Once there is a layer of compacted stink beneath the top fresh layer, the cat can smell it.
Just a reminder to all that our nose, even less from the height of a person's head, just isn't good enough. Think of what it's like for your pet!