Think of it like this:
Is your cat not using the litter box? How often do you clean it? Litter boxes should be scooped daily & emptied/cleaned weekly. Would you want to use a toilet that is only flushed once a week? I didn’t think so.
Think of it like that.
*”think of it like this” (TM) is a regularly irregular purely opinion-driven piece of thought about pets and their owners pointing out the seemingly obvious*