I’ve never understood this thought process. Sure, getting some stuff out of their way makes sense (like getting shoes off the floor so the cleaners can vacuum), but why clean?
It's called an anxiety disorder. shame and guilt and embarrassment
They don't want others to think they're dirty/unclean/etc so they do this. It's the same reason some people won't call a handyman to fix a problem, or go to a doctor/dentist, they're afraid of someone knowing they couldn't fix or take care of themselves.
More often than not I suspect that is the case, anecdotally though neighbors of mine have a different approach. They are very clean and only have a cleaner come in once every two months. They also have an immunocompromised child so slightly different situation.
One time we got to talking about it and they said it was to clean more thoroughly than they could. The cleaners come in with the expertise and more importantly the tools to make sure their house is clean enough for their child.
The really good cleaning equipment is really expensive to buy and once you're renting it it's not much more expensive to just pay someone to use it. They are far more well off than me, that's for sure, but they're not rich.
I just do that to be courteous to the dentist, so my breath isn’t gross. I know it’s still obvious that I don’t floss. I see what you’re getting at, but it isn’t quite the same.
Wait, do you go to the dentist literally just to get them to clean your teeth? As in they’re not checking for cavities or issues, they just brush and floss you and you’re on your way? That’s super weird.
I only go once a year for a checkup - they give me a clean as well, but that’s not the purpose of the visit. I’ve never met anyone who goes to the dentist just for a clean.
I believe your "checkup" and their "routine cleaning" are the same thing.
Lots of people (myself included) refer to it as a "cleaning" because, well, regardless of anything else, that's what they actually do to you. I don't know anyone who goes to a dentist just to have them look but they don't touch. They clean you, too. That's almost always the only physical takeaway effect of one of these visits.
Also, a dentist cleans your teeth in a way you almost certainly can't. Their practiced hands know exactly what needs to be scraped away, and they can make informed decisions on what tool to do it with and how aggressively to not cause enamel damage. Not to mention they can, y'know, actually see what they're doing in there. So a "simple cleaning" isn't quite as pedestrian as it sounds. It's not something you can fully replicate by scraping around blindly with a metal pick in your mouth.
I am in the US and I've never had them clean either.
They bill you for that shit. It's $50 for X-rays and poking around. If you want them to brush your teeth for you - it's $200 and then they still want $50 for the X-rays and Poking Around Why would I pay that?